#general-chat
1 messages · Page 230 of 1
...and it involves triple-booting Linux systems. [WARNING: WALL_OF_TEXT_AND_TECH-JARGON]
The first distro will house everything I have ever done/tinkered with in case one or the other goes kaplooey while also serving as a place for general usage and experimentation. More tinkering with this one is required, considering that this IS Ubuntu and I need to make sure that nothing tries to kill the CPU. The second will be for R&D [research and development]. The "R&D" one is the Void Linux Base I managed to stick onto this thing. Finally, the third will be a fully functional Void Linux distro with an XFCE GUI. Now, XFCE will not be staying on this one, with the main reason being that I wish to play around with Window Managers and such. In other words, the third one will be a sort of sandbox and "reference" for the Void Linux Base.
Each of the Void's has approximately 8 GB's of SWAP space allocated as well as their own GRUB's, so in case the main one tied to Ubuntu and the others hates me, I do have recovery methods and other ways to boot into any of the three.
Is this all a bit over-engineered? Probably. Do I think this will work? Probably. Will I have a blast doing this? Heck yeah.
Where do bugs for the website go?
Feedback I think?
Thx
I'm not sure they need their own swap spaces (swap is generally considered to be volatile). Then again, disk is cheap these days. Ever tried twm (Ted's Window Manager)? It's old and pretty minimal.
if you do end up needing TIG big recommends for the primeweld tig machine
it's a smidge more expensive than others but it comes with a foot pedal and CK worldwide torch which most budget stuff doesn't and you really want both of those
the actual unit itself is well above par too in capability + feature set
foot pedals cost like 100$ for no reason at all because it's just a pot in a box and a CKW torch is worth every penny
I do wish it had digital readout for the dials but that's nbd
Thanks for the suggestion! I think I did see that in my search, my dad has a Lincoln electric TIG/MIG
red and blue units are just way expensive ayemo
I've had my primeweld for a year and a half now (which, you know, isn't a lot, but)
many hours on it, no problems
I’m not sure what I need aside from TIG or MIG with shielding gas
really a pretty good stack of fecal matter
I know stick is a valid option too
hood, gloves, cart, then the filler rods or wire
depending on what you're welding you'll need a 240v hookup but 120v works up till about 140a
Tbh stick is dirty compared to mig or tig
I did tig in school. I was truly awful but I enjoyed it.
Yeah, I wasn’t going for a Buick by any means. Just good enough to hold an aluminum go kart frame together
Lol
what I like about tig is you can do whatever you want with it
I’ll probably hit a $600-$800 TIG capable welder
Going have to save up though
Probably would cost money
I just want to be able to do more fabricating
I learned on my own but it was really just took way longer than it had any reason to
I have general welding knowledge, I just need to practice
if I had taken a course I would have had a much easier time
There's a CC near me that might do it. Maybe if work calms down
TIG welder was 880$- I bought a nicer one, primeweld 225x.
Argon welding gas- 60$ for tank rental and 30$ for argon
Welding helmet- 120$ You could get a lesser one, but autodarkening is nice and I'm not risking my eyes with a mystery meat hood
Welding gloves, sleeves, etc ~30$
Welding steel and scraps for learning ~60$
Welding surface 20$```
here's my minimal startup costs
I wrote this out earlier
add in the HF welding cart for another hundred bucks
which really you probably want
I can't say it's approachable exactly
and then if you really get into it you start buying stuff like high-throughput gas lenses and whatnot which really burn through the argon but you can get into really tight places
I have not, though I will be checking that out as I continue researching OpenBox and i3wm.
Thanks!
Also, I am well aware of the volatility that comes with SWAP. One of the main reasons why I use it anyways: for storing/holding onto any miscellaneous tasks or processes that would have otherwise created an overflow in the RAM through sudden spikes in resource consumption.
Plus, swapoff and swapon can be put into the terminal to move those processes back into the RAM when there is enough space free. These overflows tend to happen randomly and they seem pretty common too, so I wouldn't worry about it.
I have this under control.
I just meant that since it was volatile, there's not a problem re-using the same swap storage for multiple operating systems.
Oh yeah that is true.
Roger that, I will be working on that once I finish setting up the XFCE version of Void, and that includes selecting a window manager...
oh what the heck, I'll just do it now to make my life easier. Be right back.
also, just a side note:
uninstalling snaps and reinstalling the package versions of said snaps is a pain once you've been using them for a while.
update
this will not be easy. I will work on this tomorrow along with other things.
goodnight
Good morning everyone. Just a quick hi to let you all know I'm always listening and learning. Thanks for the invite.
First time flying in a few years. “Post Covid” travel is eerie
Post covid? So it's gone now or just no longer a concern?
"post"??
Yeahno.
More of a "yeah, a certain number of deaths are to be expected now, what are you going to do, shrug, get back to work folks, nothing to see here..."
Yea, my dad is post kidney transplant patient whose meds make the vaccines have no effect so I'm still being careful
I put it in quotes for a reason. Meaning that’s what people are saying but obviously Covid isn’t gone 😛
Mostly i mean no major travel restrictions or mask requirements
It's gone in the minds of people who want it to be gone 😐
Indeed
I try to be careful and do the best I can it's just getting a little crazy around here with the start of tourist season. People are determined to have a "good time" at all costs even though the population around here goes over 5x in the summer. Everyone had the same idea to come vacation here and most places are understaffed which means some of the tourists act a fool cuz they have to wait a while.
My travel times to most places I go is 1.5-2x for the next 3-4 months 🙄
🇺🇸Adafruit will not be shipping orders on Memorial Day Monday 5/30/2022. Please allow extra time for your order to ship and plan accordingly 🇺🇸
My flight has already been delayed twice lol..
At the rate it’s going, it’ll be canceled
Ouch unless you would rather not go
I've been tearing through my old laptop getting screenshots of freezer alarms/failures at the food pantry for a presentation I'm working on for the pantry board. I'm tallying up all the issues since 2018 to get some rough totals.
It was really cool of you when you shared the food pantry on show & tell a few weeks back, I really enjoyed that
nor apparently it's the monkeypox thing
Thanks, for the freezers I have examples of doors being left open, freezer dying of old age, freezer freezing over and 4 times the brand new freezer we bought for 12k blew a defective compressor motor. The alarms have gone off roughly 30x in 4-5 years.
I am flying for work so I kind of have to go one way or the other
no nvm I'm dumb, solved thanks
Lol that happens to me sometimes when I ask for help I figure it out soon after
no actually my solution is dumb, so I'm going to ask again 😅
in a condition like this, but where I don't know which end is 5v and which is the gnd, how do I understand in which way the current does flow, and what's 5v and what's not?
I mean, the obvious answer is "use a multimeter to measure it"...
so I bought an air fryer to hack into a coffee roaster. Seller on ebay stated it didnt power on, so I was like "Oh hey, I can fix that but Im gonna tear it down anyway. Un-pack it, plug it in and it works. I almost feel bad for what Im going to do to the poor machine lol
It's been some time since I looked here
In case you wanted to know what the innards of an air fryer look like
Looks to be relay controlled rather than SCR controlled.
Rental cars are a lot of fun..
The company I work for booked me a rental car, but when I got there they wanted a $150 credit card deposit which I just didn’t have because I had to move recently.. my boss though, “I’ll just drive there and use the company card” but then they wouldn’t do that because my name wasn’t on the company card 🙃
I love how things just work
But lesson learned, don’t have to move all of a sudden for the safety of your family and then start a new job that needs you to come to office.
Heh, or if you do have to, ask for a sign-on bonus from your new employer too.
It’s a startup so I got salary and equity
But they’re covering the costs so it’s not all bad
It just wasn’t fun sitting there waiting to get a rental car only to not be able to get one. After a 2hr flight delay. A long travel day
But I’m alive so there’s that silver lining at least. And I finished up a few PCB designs
Heh, I bought a "broken" ring flash to steal parts from and it worked perfectly. I also felt kind of bad ripping apart a working unit.
I have a feeling this place just takes in broken stuff with no other data given. If this works out the way I want it too, I'll have a $30 coffee roaster.
But theres a distinct smell of bacon I need to get out 😐 Dont want my coffee smelling like that
Huh, I have some friends that would enjoy that flavour profile
https://www.youtube.com/watch?v=A-SZryVqFHo heard about sprites before (red sky flashy thingy kinda like lightning) but just that they were "rarely observed" and this is the most i've ever seen of them to date
Red Sprites, Blue Jets, Gigantic Jets and ELVES.
Get a razor that will last you a lifetime from Henson Shaving here: https://bit.ly/2YS4SPN To get the 100 pk of blades for free, make sure to add it to your shopping cart, and use the code ASTRUM.
Transient luminous event elves, Transient luminous events, Red sprites in the sky, Red sprites and b...
You might want to clarify what kind of proposal you mean. Like a server policy proposal, a new product idea, a search for a project partner, etc.?
Enrollment application sir
Caffeinated bacon... just needs baconated grapefruit. 😁👍
love how it's a dangerous device that can set an house on fire but they are still like "let's put a cheap "safety" 1$ relay on it that you can't buy from any legit electrical/electronics parts supplier because we don't care much about human life" /sarcasm
The screws terminal seems good though, but shouldn't there by isolation on the top of the screws ?
That looks like a common enough relay that would be simple to buy if you wanted to. Yes, it would be nice to add a layer of insulation on top of the screws.
I think the thought is that no one is really going to be messing with the insides too much, and the terminals seem pretty well spaced, so its probably OK.
I did see what looked to be FETs on the other side..but yea that really does seem a bit small, yet the device is 1500W lol
However, it looks like theres a lot of room for activities inside of this thing! I have to take a look at the main control board to see what IC they use. I hope its something common, but its not like I can pull the firmware off of it anyway. It would be cool if I can just re-use the board+controls for what I want to do
yeah but they put beautiful high-quality textile sleeves on the wires
even thought nobody will ever look inside
and I don't doubt they cost more than some rubber isolation on top of the screws
Like if my power supply cables are sleeves like this I know the rest must be high-quality
From my experience it's much more easy to desolder mains PCB and reuse the things
than the TTL boards
and desolder is a big word here for mains, more like fine wire cutter
@wanton thistle and since I don't know your skill level, please be very careful around the mains capacitors and transformers 😦
there might still be charges left/current in that circuit
Probably advanced lol.
Ive made a PID controller that controls 120VAC. I also work around 3ph 480VAC at work.
My main issue is cleaning the thing now and getting rid of what ever residue is in it
Snap Store has been purged successfully.
I'm guessing triacs
I'll be pulling it apart more tonight 🙂
Possibly woven fiberglass for operating at high temperatures
Mint, bud... No such fuss, as it's already disabled by default. 😎
Ubuntu over here, and the same one I've been using for years.
...still kinda clunky, but it's nearly indestructible for me.
Idk why, but I never could get around some Linux distro's that mimic Windows environments, probably due to the bad memories and experiences I had with them when I tried to FIX THEM.
Question: Is Mint resource-heavy to the point where it makes the CPU hot to some degree on bootup?
That's somewhat subjective.. I've never had such an issue with any rig I use.
I can't say "resource-heavy", especially compared to *buntu... It seems to have less junk running by default.
Huh, might check it out in case this entire Void project blows up in my face.
speaking of that, back to business for me. Peace, and have a good one!
Sometimes I don't like Google assistants response to my questions so I customize the responses to my liking using ifttt and home assistant. I can make any words generate any response and I can also control things in the house
https://youtu.be/v_0i9oo2Zm4
I asked Google why can't I get parts and I didn't like the answer so I made my own more upbeat answer to that question.
hmm so theres actually not much going on here
And upon closer inspection, the top board is all labeled for me. Heater, fan, buzzer...
and best of all: It uses a JST connector 😂
The tinker in me says it probably accepts logic level signals, or CMOS. But theres an obvious microcontroller.
Are the cutouts for hi voltage?
The part# you see, its a triac. Rated 25A 🤓
Yea, this is the 120VAC side
Theres (what Im guessing) is a small 5V or 3.3V offline smps
I think thats what the little 8 pin IC is on the left hand side
Because gaming is generally related to tech, Pokémon dropped the new Scarlet and Violet trailer this morning: https://twitter.com/Pokemon/status/1531984131881582592?s=20&t=_CkU7USXwyQV0NuxkbcdoA
✔️ New Pokémon
✔️ New Professors
✔️ New trailer
The wait is over, Trainers — the latest Pokemon #ScarletViolet trailer is finally here!
13298
5500
The timing on your message was chefs kiss
New Pokémon game looks pretty great
I wish there was a pokemon where you can catch all generations without hooking to the net or with others. What if you don't have friends?
Buy two games?
It's on Switch, I'd guess...
Two switches
Lol
Be the best friend you always wanted? This is my tactic
I quite literally only play Pokémon games with my brothers because most people I know don’t play Pokémon because they’re adults apparently
Lol
I'm 34 and used to play it but truth be told I play PC games that are single player 👀
Yeah, I’m flipping the big 30 this year and I’ve been rekindling my love for Pokémon the last few years
I have… spent way too much money on Pokémon cards 🫠
I have my old Gen 1 cards. Holographic and all
Oh nice
I've still got a stash of TCG decks and spare cards.
So who do I contact about a serious linguistic error in the RSS Feed?
Apparently I can't even post the offending part of the Blog post because this discord has a profanity filter... and one of those words is in the blog post. lol.
Let's just say they wanted to talk about floppy disk but they didn't write the word disk correctly.
fixing...
fixed, thanks!
🙂
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i'm upset,
everyday a guy pushed his trolly out to a street corner with 100KG of batteries and tools.
and he provided repairs locally for a 1/4 the price most places charged.
he sends me a message asking me for a bit of solder.
and when i saw him again he looked terrible.
they robbed him of everything and bashed his face in to get it.
is he known in the area?
you could try to raise like a fund me to help him out, also local newspaper might help out
it somewhat happened the same to a street vendor in the area, and this helped him out
looking at the situation, this might as well be the issue, if some local seller did find out, by doing so, he might think that he can get rid of him/competition
because I really doubt that some random people, would be interested in that sort of thing
it's horrid i barely recognized him.
Repair Log #?
In relation: Experiment 002, Project Fel-fire.
The Frankenstein PC has been brought back to life through one method I did not think of until the possibility dawned on me; that why the Frankenstein would not cooperate is due to poor thermal management, resulting in a forced reboot and throttled hardware. Thermal paste has been re-applied to both the CPU and GPU, after both had been properly cleaned of course. The results speak for themselves, though TLP has been enabled just in case, same goes for adding an additional fan. What struck me as odd however, is that one of the many pins inside the CPU socket had been horrendously bent out of place. With surgical precision, I managed to bend the pin back successfully, though I would be lying if I said that none of the others looked...concerning. For now, all systems are functioning as intended, while also running off an SSD loaded with a disk image cloned from Project Fel-fire. Internet connectivity via Wi-Fi will be my next concern, given that this machine's hardware does not support wireless connectivity on it's own.
End of log.
Thankfully, Fel-Fire did not literally catch fire at any point.
Regarding the tech channel, idk about others but ketchup chips sound great
Canada got this one right I think
This is true.
why Adafruit still has shipping delays?
Because they are human, and humans need time to get things done? Unless there's context I'm missing, my guess would either be backlog from closing for Memorial day, or general delays from logistics or supply issues.
I might not get a 20 pin connector needed for the mechboard build
Theres supply chain issues all around. We have VFDs not shipping until November 😬
Tell me about it. Delays in injection-molded skins set us back months because we can't get our completed units to safety testing...
20 pin connector?
Sounds like something you could get elsewhere without too much trouble.
@brave copper What kind of connector is it?
female connector to male connector it's like a commodore 64 pin layout of 20 pins - with pin 2 not connected
Oh, the cable?
like this even if I have to order two tens and superglue them together
You can also assemble these yourself with something like https://www.pololu.com/product/1991
Vacuum fluorescent displays or variable frequency drives?
AdaFruit also offers housings (1 and 2 row) and preterminated wires (in various configurations) if you don't feel like crimping your own.
Variable frequency drives.
Ketchup chips are great!
I think Wegmans had one for their store brand, but I don't remember that well lol
i think i have answered the age old question
what came first
the chicken or the egg?
the egg
and the 1st egg was basically a ball of calcium with the right conditions
Well, Neil DeGrass Tyson explained it as, the first egg that started the lineage of what would be a chicken was laid by something not a chicken so the egg had to come first.
the corner adafruit logo looks like a C64 raster interrupt demo
I must admit I coded that exact sort of demo at some point...
Some dusty set of neurons even remembered the 53280 and 53281 register addresses, sigh...
good old days
how did he verify this
I believe the logic is that the genes inside the egg itself control whether it forms into an egg or not, rather than the genes in the mother. So anything that's genetically a chicken would have first grown through the stage of being a chicken egg.
Or in other words, the mutation that turns a not-chicken into a chicken would happen to the genes before they grow into an egg.
that makes sense
yeah living adults don't mutate much at all. egg, when forming, dnma is randomizing a lot
Dinosaurs were laying eggs long before chickens showed up.
Actually, dinosaurs are a lie.. made up by Big Science, to validate the assertion that oil isn't actually drilled from the earth.
🤪
yes but was the dinosaur the 1st egg?
Well, the current consensus is that life evolved from single celled organisms, primarily ones after the point of which the mitochondria was absorbed. So egg laying came after semicomplex organisms formed and lived for some time. Likely an adaptation to save the parent energy during reproduction
We would have had soft monoparental eggs first
I definitely am curious about what events forced the need for two parents to continue life and how they even changed to need that, and also how long it took for that adaptation to happen
Aren't dinos and chicken like closely related?
That is the current thinking. My only point is that dinos were first.
I see that many bipedal robots do use motors for legs/joints
but how do you understand if the motor can resist to the weight of the robot itself or extra weight?
my understanding that the motors tend to my fine adjustments/micro movements that keep it rigid which helps play more into the ability to hold weight. There's likely mechanical properties like mounting style, shaft dimensions, and needed drive current to move the shaft.
mechanical physics would tell us how we convert the power needed to move the robot relative to the limbs relative to the weight, direction, and moment of inertia at the joint.
Normally, you look at the holding torque of the motor, along with any gear trains (and their friction, which helps with this), along with the lengths of the lever arms of the limbs, the weight of the robot above those joints (plus the weight of things the robot may be carrying). In many cases, a fairly high speed motor is geared down considerably, so the friction of the motor and gear train can nicely support things even if the motor is unpowered.
but i'm no mechanical engineer
this is a much better answer than I gave lol
There are various types of gearing used for different applications with varying degrees of backdrive and backlash. Using worm gear reduction, for instance, is practically impossible to backdrive, so they hold extremely well even without power, though for many robot applications is too rigid for smooth adaptive control. Harmonic and cycloidal gearboxes, on the other hand, are very backdriveable and offer close to no backlash, and their high reduction ratios make it easy to hold weight with the motor's holding torque.
It all comes down to its mechanical design and motor properties. As madbodger mentioned, If you know the holding and driving torque of the motor and extrapolate it through its gears' reduction ratios and limb lengths, you should be able to calculate approximately how much weight it can move or hold at a given point, much like how you would extrapolate a motor's RPM to calculate how fast the robot moves at its output.
There is no chicken, only man. BE HOLD, A featherless biped AKA, a man: 🐤
They weren't kidding; Void Linux is ridiculously fast.
I'm going MAD WITH POWER HERE, AND THIS TIME, I KNOW WHAT I'M DOING!!
"Sir, I'm afraid you've gone mad with power."
"Of course I have, y'ever tried going mad without power? It's boring, no one listens to you."
Y E S ! !
Ahh.. a beautiful day to fly home
...Not what I said after honeymoon. lol
I was supposed to be flying out for a family get-together today, but Delta canceled my parents' flight the day before with no reasonable alternate route to offer, and the whole trip just fell apart...
Flying frontier back home and I hope it’s a decent flight
what is this jumper dc/usb for?
I presume it's selecting whether the board is being powered from the barrel connector or from the USB port.
Tiny tray tables lol
These tray tables on frontier are kind of a joke… lol
I guess you get what you pay for
When you turn your PC into a semi-portable AC unit, you know that you have probably gone overboard on the fans.
Nah, back in the day (lol) I had made a whole front panel of 80mm fans
it was like 6 (2x3) fans
looks like a laptop
If only it had that functionality lol
hey, it goes ATOP your LAP. What more do you want? Millenials, sheesh
Also I saved money all week, and then I walked past a shop selling turkish delight
Using the grill (whose firmware I’ll be supporting) for the first time. Worked amazing. Bluetooth connected to my phone too
Technology is amazing
Yeah
huh
There are probes to that you configure with the app so you can monitor the internal temp of your meat/faux meat you’re cooking
Anyone who's good at windows command line btw. I am trying to use this https://support.dcmtk.org/docs/dcmj2pnm.html to eventually loop thru a buuuunch of DICOM files and convert them to .PNG. So! I'm pointing at C:\Users\me\OneDrive\Documents\Friend_Images and in there are a bunch of folders containing files that have no extension. So I'm running:
dcmj2pnm -f \Raw\PAT00000\SE000000\MR000000 TEST.PNG
but I'm getting
F: No such file or directory: reading file \Raw\PAT00000\SE000000\MR000000
Anyone have a guess?
oops lol
typo
I read over it like 10 times and then only notice the typo when I post
there were multiple issues. I get it to run and then the toolkit doesn't like the data!
I'm getting close to finishing my first project with a feather. I think I finished the code for the most part so now I have to test it for a couple days to make sure that it's ready to install
I remember once, when I was the Network Manager for the Lab at MIT which developed a lot of the early Internet, we ran our own home-brew routers (when we built the net there were no commercial routers). One day the entire network started acting strange (such that nothing was working and just rebooting malfunctioning routers didn't fix it) and it eventually turned out to be a one character typo in code that had been running for years, that was effectively a virus in the router code!
The best thing about it was that, of course, it happened while I was driving home one day and my coworker who was around later than me that day called me at home. Trying to debug it over the phone was painful. I eventually got connected to the machine where we built the code and analysed it. I found the bug and I realised that we had to turn off all the routers, wait a sec and then start turning them back on.
Haha.. and hence the power flush was born
reminds me of that horrible week long comcast outrage. seems that crash inform message caused it to crash.. and send out crash inform to other servers
Going through a whole 9 story building to shut off the routers and then turn them back on was a lengthy process.
they had to hurry and fix that bug and roll out fixes and reboots
(it was pure luck that no server ever crashed for years before one finally kneeled over and sent messages that crashed all servers)
The actual bug was in code that detected an error that should never happen. So, the only thing to do was count it and discard the packet. Unfortunately the typo was in the name of the error counting variable was mistyped as another legal variable which got initialized at boot and should never change. Incrementing that variable then meant the router caused that "never happen" error to occur on all connected routers, and coincidentally stop learning about new hosts.
This was on the routers that forwarded packets between the various networks.
We got a call from a customer once, telling us that our computer couldn't talk to any of the other computers. I went to check it out, and eventually determined our computer was actually fine, and all the other ones were misconfigured (they couldn't talk to each other either). So I fixed all the other vendors' computers and then everything could communicate.
The customer was pleased and suggested that if I wanted to travel to Florida again sometime, let them know and they'd claim something had broken and request me.
Day 5 of testing the resurrected Frankenstein.
Note(s): I'm rendered incredulous. This machine has handled everything thrown it's way, passed every test with flying colors, and only had one major roadblock, even though this thing's hardware is more outdated than my scraptop! I will say though; because it is running Ubuntu, performance is not as high as it could be, but being fast enough to compete with the ThinkPad T450s is an achievement in itself.
More testing is required.
Is it possible to power an Arduino UNO and an ESP32 together?
I want the Arduino UNO to send an infrared signal and I want the ESP32 to connect the UNO to wifi via MQTT
Yea,You can use separate regulators to power each.
Besides that. Can I power the Arduino via USB and power the ESP32 via ESP32 Vin from Arduino's 5v? USB 5V ----> Arduino UNO ---Uno's 5V out ---> ESP32's Vin. Is that possible?
As long as the USB supply has sufficient current available to run both of them
Possible yes, will it work? No. IIRC, pins on most micro's are limited to 20mA. If you want to turn it on and off via a pin, what you want is a "Load Switch" There are a bunch out there. You can also use a highside fet as well. You also have to consider voltage. Correct me if I am wrong but the ESP32 is 3.3V and Arduino runs on 5V.
Something else to consider: The ESP32 may have sleep commands.
Oh wow. okay. I need a way for the Arduino and ESP32 to be power by a single USB source of 5V 3A. ESP32 connects to the wifi and tells the arduino to send a signal to an infrared LED.
You just need a 3.3V regulator. Then you can use SPI for comms to communicate with the arduino, or a single pin if you just need to tell it to send a signal or not.
So what you are saying is I run the USB 5V split it between the arduino and the esp32. On the ESP32's side I put in a linear voltage regulator to get a 3.3V output to the ESP32. Correct?
Yes.
IO wise you should be fine as long as the ESP32 is only sending, not receiving.
otherwise you'll need level translators
God my NodeMCU's pinout isn't marked on top...
How should I connect this via? Serial?
Yes, that'd be pretty typical, unless the signal you need to send is simple enough to just be a single GPIO "on / off" toggle.
@crystal ore So with serial what @wanton thistle said stands true, right? As long as I am sending data from ESP32 to Arduino via Serial, there's no harm to the ESP32?
That's correct. The Arduino should be able to read the 3.3V from the ESP32's TX line on its RX line. But as mentioned, you wouldn't want to hook up the Arduino's 5V TX line to the ESP32's RX line without a little level-shifting protection.
I was think of splicing the USB 5V 3A power from a micro USB cable to both the arduino's and esp32's respective Vins. In case of my NODEMCU, it has a AMS1117 voltage regulator, which should take care of ESP32 voltage levels of 3.3V.
Your earlier mention of tying the Uno's 5V pin to the ESP32 should also work, since that would generally be more or less directly connected to the USB input.
UART,SPI,I2C, what ever is easiest (probably UART)
Hi everyone 🙂
Have anyone tried CircuitPython on the Raspberry Pi 1 Model B? I wonder if CircuitPython for the Model Zero would work on the first gen Model B
This version https://circuitpython.org/board/raspberrypi_zero/
NOTE: Not all features are supported in CircuitPython.At first glance, the Pi Zero isn’t much. It just looks like a slimmed down version of the Raspberry Pi we know and love. But when we started to think of the possibilities - and what a well-chosen set of accessories could add - we realized th...
are you wanting to run the bare metal firmware?
https://circuitpython.org/board/raspberrypi_zero/
or just use circuitpython libraries?
https://learn.adafruit.com/circuitpython-on-raspberrypi-linux/installing-circuitpython-on-raspberry-pi
Run bare metal
Just tried the img for the Zero on the first gen Model B, it "boots" to the rainbow thing and nothing else happens
dmesg shows nothing either
you're running dmesg on the pi?
Oh boy, I wish there was CircuitPython for the first gen Model B. It would be nice giving a use to this old little board
Nope, on my computer when I plug the Pi to it
ah. ok.
I tried already with my Pi 4, with the bare metal version for the Pi 4, dmesg shows it
not sure, but the builds may be very specific. like even if it's the same BCM chip, other hardware differences may matter.
I thought it would work, because in the Pi Zero image there's some files that seem to be compatible.
Tragedy has struck. I can't find my Pi Zero 2
ow thats probably $150 replacement cost now
Yeah
Got mine in my backpack. ☺️
I left it in a disused part of my apartment and now...poof
look for something else. you'll find zero and not find whatever youre looking fpr
Happiness? Love? Dog treats?
Socks, screwdrivers, wire, lasers, and breakout boards usually do the trick for me.
I found it!
I had forgotten that it came separately from the bag with the accessories.
yay! what did you look for? 😉
So I located and opened the remaining adafruit bag.
9 ish months ago I got one thinking "this chip shortage is gonna get worse, better grab one" and then didn't think of a project for it until now
well congats heh
I'll have to mess around with some Kubernetes stuff on my Pi Zero 2 tonight.
Just wanted to say hey. Got myself the adafruit 3x4 macropad. Looking forward to playing around with it
Bought my Pi Zero 2 to work..... Can't find a single monitor with HDMI. 😭
I can't tell whether that's because they're all old CRT monitors with only VGA ports, or all newfangled fancy 8k monitors with only Thunderport connectors...
VGA, DVI and DisplayPort... Because my employer doesn't produce monitors with HDMI. 😐
At least... If they do, they don't supply any for office use.
HDMI<-->DVI is just wires, usually. I have several adapters
DVI and HDMI use the same signalling, an adaptor or adaptor cable will let you run them from HDMI ports
Yes, this I know.. but I still don't have an adaptor with me.
Sorry, that was a bit blunt.. it's nearly 1am and I'm near bored to death.
My bad, I realized belatedly that danh had already pointed that out.
All good. 👍
the dangers of going full caps... spell check ignores it because it could be an abbreviation.
Yarp... But ya can't teach these companies.
Still, at least it's not intercaps.
We all know that companies that use intercaps are evil.
Now there's a great idea for my Pi Zero 2 carrier board. 😁
The Desk of Ladyada - Samplin' Sunday https://youtu.be/Shpsg7TApug
Let's go through some of the samples we've received this week to see if any are worthy of stocking in the adafruit shop! We've got some soldering kits, translucent rotary encoders, DC plug adapters and rainbowy hex wrenches. We're also looking at some ultrasonic transducers, useful when you want to create or detect ultrasonic waves in a custom s...
doubt, is 100v 1mA, considered to be safe even if your body resistances is around 1000ohm?
I once accidentally discharged the flash capacitor from a disposable camera.....
I can confirm.. OW!
Heh, I wouldn't want to count on it! These days, voltages below 50V are generally considered not an electrocution hazard, but there are always some scary edge conditions.
They do point out "dry skin" and "usually", both of which are relevant here.
Also note that the effects and dangers are different for AC and DC.
then a good sheet?
I'm not sure what you're asking here. Are you designing this?
I mean you said that you wouldn't count the image/sheet, because even at 50v even if it's not considered an hazard, there are some scary edge condition
do you have like a more specific/complete sheet?
Not offhand, but there are some details here: https://www.brighthubengineering.com/power-plants/89792-ac-and-dc-shock-comparison/
The debate as to which is more dangerous AC or DC electric shock has been since the " War of Currents" between Edison and Westinghouse. The effects of AC on heart is to cause fibrillation and eventual cardiac arrest if not rectified. The DC current on the other hand freezes the heart, which has higher chance of surviving once the source of curre...
I knew you'd bring the shocking truth.
Day 6 of PC Testing.
I believe it is safe to say that thing will last for another few years, maybe even beyond that.
I'm happy.
Anyways, GOOOOD MOOORRNIN' ADAFRUIT!!
CRASH
[i am fueled by caffeine and craziness so apologies if i seem wild at times, heheh]
How is everyone?
Its been 4 days and my order hasnt shipped, they usually ship in 2. Should I email em
Adafruit order?
Yes
Give it another day or two, and then email support@adafruit.com. They don't ship on weekends, and there could have been high demand at the end of last week. (I don't know that for certain, I'm simply guessing.) We don't have access to order info and are not able to provide order support here on Discord, other than my initial suggestion.
Oh ok ty!
You're welcome!
same.
I feel like a 🤡 trying to find microcontrollers that are 1) in stock and 2) that will work for what I need. Ive moved to almost all SMD packages but what most people have in stock are DIP packages, my self included.
ALMOST FORGOT MY VOID LINUX BASE PASSWORD.
...all that progress, almost wasted. 😰
Calm down Engi, you got this. Just stay focused, and you'll be good.
"base password"?
Do you mean root password?
You shouldn't really use any Linux OS as root on a frequent basis.
Void Linux Base.
Cherries are coming along quite nicely.
nice!
Hello Adafruit!
Do you know, if you have these: https://www.adafruit.com/product/1781 available within the next week? I'd love to know, because they would fit perfectly in my project. I'd need 2 of them.
Kind regards!
get urself a nice high density Samsung 18600
@mint silo That might not be a bad idea, actually. The cylindrical battery is basically an 18650 with a JST termination, so if that's what you're looking for, you could consider terminating an 18650 battery holder with https://www.adafruit.com/product/261?
oh, sorry! I sent the wrong link. I meant if these: https://www.adafruit.com/product/328 were available within the next week or two? Thanks for any response!
I'm currently taking an economics class, and it just feels amazing to read other topics and find connections to calculus
I saw a graph of an item's marginal cost with respect to items produced, and I wondered "How would you get total revenue for N items?", and it clicked. An integral
It's things like that, it feels so cool
@mint silo if you want the biggest capacity they do offer a 6600 mah triple 18650. It’s quite large and heavy though.
Velocity works out the same way too. If you take the integral of acceleration you eventually end up with the parabola equation.
Yes
"Apple will have to include a USB-C charging port in iPhones it sells into Europe by 2024 after an EU amendment made USB-C the common standard across a range of devices."
About time they were forced to cut their bottom line.
@mint silo Note that the people on Discuss are mostly Adafruit customers (with a smattering of employees not connected to production), so you won't get any answer to the "when will it be available" from any of them. And probably not from official Adafruit sources either, since they are loath to promise anything until it's guaranteed (and at that point the answer would be "it's available now"). But, you can try email to support@adafruit.com where you will find people who could answer, but from experience probably won't give hard numbers.
Awesome, thank you!
hi
Can't wait for americans to celebrate my birthday like last year soon
I'm born on July 4th
Really appreciate the fireworks etc for my birthday
Probably going to be a custom proprietary USB connector shaped into a C at the end 😄
Companies are the master of malicious compliance 😄
Depends on the phone...
I still need to see what I can run on my old phones, like the Pixel 2 XL & 4 XL.
I know LineageOS supports most non-Apple phones? Haven't really explored other alternatives yet...
Pixel 2 XL: https://wiki.lineageos.org/devices/taimen/
Pixel 4 XL: https://wiki.lineageos.org/devices/coral/
Oh, there are a lot more options when you include Linux builds. Guess it's more what you want from your own OS.
https://grapheneos.org/ has a number of builds for the Pixel line. Android-compatible, but without all the Google services...?
Sounds good...
I'll take a proper look tomorrow, as I'm off work.
I also need to figure out what I'm doing with my Pi Zero 2 W, because I still haven't started on my Kubernetes stuff.
SHOW and TELL 6/8/2022 https://youtu.be/ISwdMnbNEKI
SHOW and TELL 6/8/2022 #ShowandTell
ASK AN ENGINEER 6/8/2022 LIVE! https://youtu.be/a90RUMkNoVU
ASK AN ENGINEER 6/8/2022 LIVE!
#adafruit #askanengineer #electronics
Visit the Adafruit shop online - http://www.adafruit.com
LIVE CHAT IS HERE! http://adafru.it/discord
Adafruit on Instagram: https://www.instagram.com/adafruit
Subscribe to Adafruit on YouTube: http://adafru.it/subscribe
New tutor...
hey another milestone. I can send UART commands to my micro and control the onboard DAC 😄
Is there any reason to pause a TV subscription vs cancel? Small chance I'll come back to it but not likely
some make it easy to pause (Hulu has "vacation mode" for up to 12 weeks, if I remember right). It can keep your history, I guess. But I put stuff in my Google calendar like "subscription x renews in two days"
Yeah I'm budgeting and paring down all the junk I don't need or use. Turns out that's a lot of TV
Pause is for those who might not be able to afford it for a month or two and want to have the service again but don’t want their preferences or DVR wiped out. There are situations where it makes sense.
Personally I only pay for a tv service during football season. Then bon voyage, see you next year.
@swift hatch I found Lars cousin working the local carnival.
Wow, that s3 tft feather sold out fast
Were there RPis in stock yesterday? I got the email notification that a 2GB config Pi 4 was back in stock, but when I checked it was marked as out of stock
This was like ~15 min after getting the email yesterday - not sure if this was a mistake or if they really did sell out in 15 min
Hard to say. They come in stock in small batches, but selling out in under 15 mins isn't super likely. It's more probable that someone's Pi order got cancelled and a random one or two were back in stock for anyone interested, because those get snatched up much faster.
Ah that makes sense. Hopefully I can snag one next time lol
I was lucky and snagged a Pi Zero 2 W just over a month back.... They were sold out by the time my order completed. 🤣
Oof
..which was easily less than 5 minutes.
My team won the Growing Beyond the Earth NASA competition.
that's pretty cool
Lesson learned...
Optical Drives are not worth wiring up [at least for me]. They chew up a lot of power, and have rare use cases these days. Conclusion: Use a USB Optical Drive/Disk Reader/CD/DVD Reader if you absolutely need one.
Well, despite my statement, I would figure out what specs you have and if your power supply can dish out enough power to the entire system, as well as feed any extra power to the, well, extras [like Optical Drives] without having any issues.
Mine's a little outdated, so that's why I bring this up.
Favorite new feature of any tech product
I feel like a 🤡 Ive been trouble shooting my circuit, wondering why it kept shutting down if I sent it data from a display. It works absolutely fine from the PC, but Display to micro? No dice.
Until..."Hey you should see if TX and RX are crossed"
Sure enough...yeaap 🤡
Happens to everyone...
Yes.. "Powerfull English" is always important. 😛
English imperialism intensifies
That’s all I think of with that spelling mistake
LOL that UI is a complete rip of the Logic UI.
That’s what I was thinking lol
What's the recommended way to report adafruit.com website issues? (not order/purchase support) - I thought maybe the forum but don't see a relevant category there.
🤣
I, alternatively, have 3 DVD drives in my PC, 2 of them Blu-Ray compatible
I need to get myself a blu-ray drive.. my DVD drive is a bit borked.
I actually wondered the same thing. I dont know if the #help-with-community channel would be best
Ive found a few things here or there that are missing but dont know how to report them. Some of them have Kattni's name on them but I dont know her dm policy.
I believe there is a feedback button on the website that can be used to report issues
For Learn Guide issues, you can use the "Feedback? Corrections?" item in the left sidebar of the guide. For other issues, an email to support@adafruit.com is fine. There is a contact form https://www.adafruit.com/contact_us which categorizes things, but they all go to support@adafruit.com anyway.
Welp, then it might be spec-dependent. Nevermind.
My desktop machines always have an optical drive.
Not so fussed with laptops.
So does adafruit's anti bot measure on Raspberry Pis really works?
8 in stock
Seems like it's working to a degree
Got it, thanks! I'd poked around GitHub but only found CircuitPython website so figured there must be another way.
What's the position in your ignition where you have all the electronics on but the engine is still not on called?
most owner's manuals i've seen call it "Accessory" position
Thanks, I'll try searching with that
To clarify, are you talking one click before ignition, or if you turn it "backwards" from "off"?
Usually I think it's acc/accessory-->off-->on/run-->start with "start" being momentary in a lot of older cars (1990s) but my 2005 Corolla has a different order
On in this case. On my 2015 civic it's just Roman numerals. When I get to that position it let's out two really rapid fire beeps, almost a chirp. No other issues. Haven't found anything online
Generally yes
but technically its a bit off
I think 2" would be like 1.5" or so and 4 might be a bit less. I think you can find the exact dimensions
Oh wait. I mis read
Lumber sizes chart for 1x2, 2x4. Nominal size vs Actual size boards.
@late fulcrum ever heard of vermeil ? That is what those medieval gold statues and everyday items are actually made of
it's basically mostly silver with a small thickness of gold over it all of this over a lead / stone core
(of course when you see a gold item/statue on display it is often a colored pewter with a thin gold plating to keep the real one safe)
Babe wake up new way to do smt just dropped
I have fallen in love with Void Linux.
...watch your back, Arch users. [this is a joke. please do not take this seriously.]
today i scored a reflow station
guy said give me 100 rand
plugged it in and the fuse poped and thought.. element is damaged
and then i saw the hole a rat bit in the cable to the iron
some insolation tape and some cutting and she warmed up fast
i can finally do smd work
this is huge for me
Thats great!
I totally forgot that PyGamer could play NES ROMs and was just delightfully surprised when I powered up one after not using it for a long time and it came up to the original Mario game. https://learn.adafruit.com/nes-emulator-for-arcada
I'm going to use a forum after having used discord for a long time for tech stuff. Feels weird!
eh, not that much different in my opinion
can the windows iso download any slower?
Yes
blllliiimey...
Try downloading it with a 56k modem lol
i do not want to imagine.
It begins...
hahahah
AHAHAHAHAHA
since we are sharing "scores" today, my neighbors were throwing out raised garden beds. Its kind of stupid reason why, but w/e. They let me have them. I dont know if its too late in the season to plant stuff but heck, I'll give it a go.
Zone 6, probably tomatoes, zucchini, herbs
Im already growing a bunch of tomatoes too
Herbs tend to be pretty good year round, once they are established. 🙂
I bought an apple tree back in March that has apples on it
I’m zone 6B
I’ve got corn, tomatoes, bell peppers, peas, beans, pumpkins, watermelon, squash, and cucumbers 🙂
No idea what zones are. lol
I'd imagine something, something, soil types, climate, etc.
USDA zones are used to define general growing times in each areas
Essentially how hardy plants need to be to grow in certain areas
Fair.
Not something I'm aware of over here, but I don't really do much research.
Just use ye olde intuition of British weather phenomena
Or wherever you are anyway
Ye olde world weather phenomena
Im working on a presentation related to my volunteer work at the food pantry. I'm comparing operational models, standardized box/bag, client choice or a hybrid between the two. Basically the standardized model generates 50% waste while being rather undignified vs client choice which saves 50% of the inventory and it's a much more compassionate approach. I hope people realize that I'm trashing an outdated concept and not trashing any charities. We had to go to a partially standardized model at the start of covid and it drained our inventory. Let's say a pantry gets twice as many clients. In the standard model they have to double their inventory where if they introduced client choice they could help twice as many people with approximately the same level of inventory, just weighted for the popular items.
I changed a 100uf capacitor with two tantalum 1000uf capacitors
It barely fits but it is much better
I think 100 its for the intake of the boost converter
It made a massive difference to the sound of my gameboy color, you could really hear it struggling on the speakers
What's people's favorite "circular motion into some other kind of other motion" device? Specifically to look cool
Dear all fellow chemistry enthusiasts
Hey the Adafruit community, I was just wondering if a new store kind of like adafruit popped up what would make you be interested in it, thanks!
It would have to offer something I want that adafruit lacks. So far there aren't a ton of those that aren't easily available at shops that aren't kind of like adafruit. I'm generally not brand loyal but adafruit is worthy imo
I want affordable UL listed high voltage relay boards (not gonna happen)
oof
There might be an open market niche for semi-customized boards, like "Wow I really wish I could find an Arduino shield that had these three things on it."
I actually 2nd this. I know that who ever does this would basically become a middle person for the displays from Ali-express, but they do have some nice displays.
Waveshare is one source like that for displays I've used before.
gonna check that out 🙂
The Desk of Ladyada - Sample Sunday and a Sensor Swapout https://youtu.be/KU7xT0wn3UM
#deskofladyada #thegreatsearch #adafruit
We are a-glow with some fun samples this week! We got some neat flexible and non-flex LED filaments we're checking in various colors and styles. Fun fact - we got some LED filaments years ago to stock but they only came in 70V and so we ended up not putting them into the shop because they'd be too ann...
Just checked my CPU temps on Void [XFCE]...
we have a new record folks.
28 Degrees Celsius.
Not necessarily tech related but I saw the Arby’s commercial for the new Wagyu burger and it really has me wondering.. how much Wagyu is Arby’s buying to make it cheap enough for a fast food burger.
What does everyone use for a solder fume extractor? I made one out of an old psu housing but its fan isn't high enough cfm to be useful.
I use one that powers over USB and is attached to a boom arm
Probably going to buy a purpose built extractor. Since buying a high cfm fan is like $30, and I can pay $10 more for a purpose made one. Specifically the Kotto one on Amazon.
I've seen stuff like that but I'd imagine that just dissipates the fumes into the room. Unless you have charcoal filter material behind it?
Mostly what you want is the carbon filter to remove the particulates from the fumes from the air
It has a charcoal mesh filter
3-in-1 Solder Smoke Absorber Fume Extractor Fan with Carbon Filter LED Lamp 10 Brightness 3 Light Colors Adjustable Arms and Tabletop Clamp for ESD DIY Working Soldering Desoldering Rework Station https://a.co/d/4gN7SRC
What I made has that, just the fan has to be super close to what I'm soldering and its not all that feasible.
This is what I got but it’s not available from that seller
Mine sits about 8-10” away and does fine
Is my monstrosity. Yeah mine has to be like 2-4" away
It's just the fan that was in the psu. I wonder if any of the case fans I have laying around would be a higher cfm.
but since it isn't getting a pwm signal, I'd assume they would sit at the lowest speed. There was a server fan I was looking at on ebay but my 12v wall adapter is only 2.0A and the fan needs 2.5A
Supposedly you can develop a bad cough (not to mention the risk of cancer) but I have yet to experience that and don't want to. (or cancer)
I got carried away a few days ago, originally replacing my mouse wheel encoder. Then de-soldering a bunch of kb switches on a kb I want to mod.
Didn't have my box fan running like I usually do to dissipate it. I have ADHD and just kinda zoned in. Hyper-focus.
Started to feel sick and remembered I didn't turn my fan on. Felt sick the rest of the night and into the next day.
Wagyu cattle are raised stateside as well.
Or just take fat and throw it in the grinder
For hamburger you'd never be able to tell a diff
@gloomy hollow neat PSU modification, i've never seen that before.
It's a shame it doesn't work. If I had a 2.5A supply I'd use a server fan I'm looking at. I'm just going to bin it and get a proper fume extractor
I got the idea from a youtube video of someone doing it though.
after looking up fume extractors i was pleasantly surprised to see there are plenty of hobbyist friendly prices out there. maybe i'll get one. i have been coughing a lot since soldering up 4 new boards or it could be that i smoke like a chimney, maybe a good idea to just put one next to my ashtray too.
saw some gooseneck arms on a fume extractor. it's kind of unnecessary if you're only doing a few feather and featherwings a year for fun. one of the hardest things to do is keep those pins straight if you're not using a breadboard to do it. gooseneck clamps don't really help, breadboards do.
For the GPIO on my RPI and even my rp2040 feather. I soldered one pin. Made sure it was centered. If it isn't heat it and push it down flush. Then solder, alternating between opposing sides to minimize heat.
I'm going to get the Kotto extractor on amazon most likely.
Yup, looking at some of them, very tempting. I like all the different design ideas.
Someone on another discord said I should try a regular case fan in my psu housing. I'm going to try and see if there is any improvement
The fan is the one from the psu itself. So maybe wore out or not high rpm? Idk. I'll find out 🤷
I wonder if some sort of duct or snorkel would let you have the fan (and filter, and exhaust) a little distance away, but you could aim the collection point wherever you wanted it.
New CPU Temperature Record for the ThinkPad T450s:
26 Degrees Celsius.
I love the Void.
I've thought about this. Building some sort of fairing round where the fan is. Then have some old vacuum hose. Need the hose though.
@gloomy hollow One neat possibility of using a case fan is to power it via a system fan pin. You could then use tuning software to control the fan speed. Most of the fume extractors I looked at would still be a better idea as they come with filtration systems, no modification necessary. Depends if you want to DIY or not.
The thing I made has some charcoal activated filter material in it. The issue is that its a psu housing. So the air bounces off the back and doesn't flow very well.
Hakko makes a under bench fume extraction that uses a flexible tube up behind the desk to your work area, Rossman who does apple repair uses these units if you want to see it in action.
Creates its own turbulence. Powering it from a PC header would be way too complicated. I have a wall adapter that works just fine for a case fan.
Yeah I can't pay $100 for hakko stuff. Just assuming though.
The o'l cnc coolant hoses would probably work well
There's a $40 Kotto one on Amazon I'm interested in.
lol $100, try $780
Maybe if I could get the hosing for cheap. Maybe. I know no one that does CNC. So I'd maybe have better luck with a junk vacuums tube
hosing is cheap just making the part to interface hose to fan is tricky part
I'd love to make what I have work. But idk. I might try moving the fan to the outside so it doesn't bounce off the back wall as much.
Making a fairing to adapt a vacuum tube wouldn't be hard. I have some small flexible metal rod. The stuff you get on Chinese takeout containers. Some cardboard and hotsnot I'm thinking would work out.
You could use 1/4" washing machine tube. They have clear hose in the big home improvement centers. Flexible gutter downspout is huge but could be adaptable. Plenty of flexible tubing out there to chose from. Could even stroll down the HVAC aisle for ideas. 😉
Hmmm I bet you could simply adapt a small portable shop vac with a filter.
but the noise would be severe
Absolutely. I have a big ol 12ga shop vac but yeah. Didn't want to listen to it scream
probably get better airflow from a 4in dryer exhaust duct, if you can adapt it to your fan/blower
plus I'd need something at the end of the tube for the filter material, and a big cumbersome hose.
yeah dryer ducting sounds good and they have flanges for mounting to the outside.
Yeah. There's an appliance store close by. Could see if they have any laying around. A smaller diameter would be better just because it'd increase suction?
paint it purple, put some googly eyes on the end and you have a blinka extractor
If I could add the case fan inside the tube with the filter material. Might work better. Idk.
circular fans do exist and dryer ducting is pretty big, definitely doable.
there are small circular USB powered fans, worth looking into.
after all the parts and materials it's still probably more cost efficient to go with a cheap fume extractor.
I might be able to just cut up a case fan. Hard to say though since I don't have it in hand.
Yeah after investing the time absolutely.
I liked my psu case setup thing because I could put my iron holder on it and my brass shaving tip cleaner thing.
It was like an all in one thing
but doesn't do what its supposed to
Just needed a bit to hold a roll of solder and it could spool out.
I was also thinking that if I where to cut the back side out. It would allow air to flow directly through it. Not bounce of the back wall, creating back pressure.
Bit offtopic, but the talk of fume extractors reminded me of this gem: https://blog.adafruit.com/2021/08/05/kirby-fume-extractor-3dthursday-3dprinting/
I need to buy a new HDD for my desktop so I'm just gonna say screw it for the meantime and buy the Kotto extractor on Amazon.
@gloomy hollow I got the Hakko 611-1 Solder Reel Stand about 2 years ago and couldn't be happier with it. Having everything in 1 station seems like a great idea until you have to solder something at a weird angle and find yourself spooling out 2 feet of solder from the fixed station to get it done. A separate spool holder isn't something I'd want attached to the station. The tip cleaner, sponge, and heatsink are fine being attached. Just my personal preference.
I guess you could just snip the solder and use it by hand, honestly never thought of that, so used to using solder on a spool.
Yeah. I have a steel plate that the tube iron stand thing came with. I don't really need it with my pinecil but its better than laying it down and possibly having it fall on the floor.
I can probably make something out of that thin takeout rod stuff I have. Won't be pretty but if I wanted pretty I could get some brass rod or something 🤷
Or probably not considering how hard it is to source things lol.
Yeah I think a spool holder would just be more of a hassle. Functionally anyways
What was the name of that over seas IC supplier? It began with an "L"?
I think it was an L
I'm guessing you're referring to LCSC?
Great source, just sometimes way overpriced
My guess is they buy stock other companies are selling of important components and then sell for a exuberant price because every other supplier lists lead times through till next year.
I'm lost
what should I look at to make an usb c comunication?
Depends on if you only want USB1.1, USB2.0 communication. Or if you want USB3.x communication. USB3.x communication is much more complex and usually requires an IC that can support it. USB2.0 and USB1.1 is far more common and much simpler.
I have no idea...
do you have perhaps a resource to share?
There’s a lot of resources but I want to share what’s relevant. What are you trying to make?
basically I want to either a driver for windows and a device and some comunication port
so I wanted to add like an usb port, because they are popular and common
but I have no expertise on it, nor I have any idea of what to look for
Okay, so if you want to make a device that shows up as a COM port you need one of two things generally. A USB to Serial converter like a CP2102N, FT232, or really any USB to Serial converter.
OR, you need a microcontroller that has a built in USB Peripheral
https://learn.adafruit.com/adafruit-feather-rp2040-pico/downloads could be a nice reference for a simple RP2040-based USB device with a USB-C port.
there are other options, but these are generally the lowest hanging fruit.
though I'm not actually confident of the other options outside these two. but that's not important.
Not sure about the windows driver side, but if you're trying to make something simple like a Human-Interface-Device, it's usually plug-and-play compatible. If you're trying to build a more specialized USB device with custom device descriptors, the rabbit hole gets much deeper very quickly.
yeah, TinyUSB might be a good start in terms of custom device descriptors
CircuitPython also makes USB HID descriptors a lot easier than they would be otherwise.
very true
Yes! Ty
Depending on what they want those little USB gpio things might fit the bill
Those are pretty neato
Hey Guys! i just built a rp2040 and am completely new to coding and macros...so far i've had a decent start and figured out some simple code, im wondering if anyone can show me how to or has code to macro an application like obs to one of the keys
What language are you using?
im currently using Mu to edit and write code
Then I'm guessing CircuitPython?
Welcome! You'll get better assistance in the #help-with-circuitpython channel than here. We discourage posting messages across multiple channels, but it's ok in this case. Feel free to repost your question and information in that channel.
thank you! ill head to that section!
Seeing all the tech layoffs recently has made me very grateful for having found a new job when I did. These are definitely tough times ahead. I hope no one has experienced being laid off recently (last few months). If so, I hope you have been able to get interviews and whatnot
Hey all. Putting together a guide on making a GitHub profile that is memorable and representative of the user. It includes a page on suggested content you could include (for folks who have no idea where to begin). Turns out I'm in that boat when it comes to profiles and bios. I have a short list, but I'd like some help if anyone's interested. In general (i.e. not specific info), what kinds of things would you include in a your profile?
@stray wind this is what I have for my GH profile
my location is not correct but I think these things are generally pretty good to include.
Ok, so GitHub has this thing now where if you create skerr/skerr as a repo, and add a README.md, it renders it on your main GitHub page, and basically you can include a profile in that README that is fancier, and has way more info in it.
I do have everything you have in yours on my list already though, so we're at least tracking the same page.
You have to create a new repo called skerr. And check the box to add a README.
Then it shows up.
This is on https://github.com/kattni now. (It's super empty because I'm updating it for the guide.)
Shows up at the top of the "Overview" tab once it's generated.
There's about a jillion tools to help with making it super snazzy, honestly it's overwhelming. But I narrowed it down to 8ish, and will cover those in the guide. But the idea of the guide is more to help you make what you want out of it than to necessarily make it "fancy".
I've seen basically three different profile pages
Ones that are obviously overinflated psudoresumes
Ones that have like, a line and a list of projects
And ones making fun of the whole affair by throwing as many gifs and early web things on there
I'm hoping to avoid all three of those 😄
I did skip the tool that offered to make it look essentially like a GeoCities page.
Seems likely that I'll end up removing some of what ends up in my profile from this guide because it's not really my personal style. But hopefully I picked out a few things that will interest others.
I kind of like the suggestions they give you
Yeah they're pretty good.
Bit off topic but I find the whole gh-social-network thing they're trying to do a bit weird
same but I also love the direction because it's kind of felt a little bit cold before this.
Dunno feels more like clutter than anything
The reactions thing in issues is good
I like their commit graphs, and their uh stats chart of issues/commits/etc on the profile page
But achievements is pretty weird
Really? Gamification usually tends to work out great for engagement and will probably encourage people to be more persistent on their repos for a while at least
Many folks love Free Internet Points.
Yeah but then you get the hacktoberfest situation
Everyone prior to what 2016 has that one ?
Something I'd be interested to see is if they could chunk a profile into doc/code/other line counts
I'm not sure what you'd get out of it but it would be an interesting metric
On a related note you know how reddit has achievements too?
My "achievement box" had like, 4 things in it for years and years
And then the /r/place event this year added ~6 to it lmao
I could see where your issues lie. Put tech stuff and it kind of becomes like a linked in or indeed profile. Put too much off topic stuff and it may seem like a FB/other social media profile.
Maybe a mix? Location, languages (C,C++, or english/spanish), hardware you are familiar with, maybe a list of projects?
A fun and popular one for the GitHub overview pages is the GitHub README stats (https://github.com/anuraghazra/github-readme-stats)
I would also love to read this after you're done - mines kinda bland lol
Also completely off topic but there's already CircuitPython 8 👀
So fast
Can someone help me figure something out
It's best to just ask your question, rather than asking to ask.
I want to build a lightsaber from adafruit but I don’t know if it comes already coded for a 36 inch blade or if I need to code it myself
Can you link the guide?
Where did you get that photo?
I got it from the prop maker lightsaber video on YouTube in the description but I went to the website and it said nothing about how the boards come coded wise
I read this but it doesn’t specify how the leds are addressed for a lightsaber blade
They give you the steps and list of materials to make it in this learn guide. Look in the “software” section
They are neopixels so they are likely programmed in either circuitpython or Arduino
I don’t know how to use either
They give you step by step and the code to do it
It’s just copy paste
Plus they break the code down to so you can understand
My suggestion, maybe start with a feather like the feather M4 or the Feather RP2040, some single color LEDs, and some buttons and neopixels. Get a feel for how to code in circuitpython. It’s really easy and there are tons of amazing people here who started where you are and are more than happy to help 🙂
Do you know if the board comes with a pre installed code for a lightsaber build or do I need to add that
you need to add it
Do you know how to get a 36 inch blade to light up with the code
The learn guide tells you everything you need to buy to make it on the first page
You’ll probably need to 3D print some parts as well
did adafruit just start offering UPS shipping recently?
They usually offer it?
interesting! I must have not paid close enough attention. Was so used to paying $16 for small items and now its under $10, nice change 😄
Nice!
Hadn't considered spoken languages. Thank you for the feedback! I added the hardware suggestion to my list. The rest was already there 🙂
This is in my bookmarks to include as an option. There's another one that appears to be far more extensive if you want to take it super far, which I might go with instead, but in that section, I'll mention the one you pointed out as another option.
There's no way to sign up for getting notified when an unpublished guide goes live. 😄 I'll try to remember to post it here. It'll get posted to the blog/socials, etc. But that's not everyone's cup of tea.
it's more like a specialized usb device...
I wanted also to make a gui like thing for it
so I need to get an usb/serial converter for the hardware side
but for the custom windows drivers?
I couldn't understand much from the windows documentation 😓
LOL. great article, though linked cnc machine is no longer sold
So ya'll remember the Air Fryer I took apart? I found an interesting circuit in it, well, an interesting IC. I was trying to figure out how it was powered. Low and be hold, an offline SMPS. However, the interesting part is that its not isolated. Look up PN8016 and you'll see. There are domestic equivalents, like the VIPer series as Ive found (VIPer11)
Kind of interesting how they got away with this in a consumer grade electrical device. However, Im finding myself inspired by it, and so I may do the same thing for some projects.
and honestly, based on the values I saw on the commercial board, they did a copy-paste of the suggested circuit from the datasheet
which makes sense from an engineering POV
Hello. I am new here. Where is the appropriate place to ask Adafruit team about the availability of a particular product ?
Welcome to the Adafruit Discord! Unfortunately no one here knows the availability of anything before anyone else. The best thing you can do is sign up via the product page to be notified by email when a product will come in. That's how I find out when products come in stock. 🙂 You're welcome to email support@adafruit.com, however, you're likely to get the same response.
Thank you, I will try to send them an email.
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ASK AN ENGINEER 6/15/2022 LIVE!
#adafruit #askanengineer #electronics
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New tuto...
we might also be able to suggest an alternative if you need it asap but most people here dont work for adafruit
Anyone has worked with esp32 Bluetooth with Arduino ide?
more or less
just ask your question, someone will reply
Help 🙂
I updated the bootloader of my old CPX.
Now the leds are all green and my PCX drive looks like this:
What's next?
If you plan to use CircuitPython, you'll want to download a uf2 file to load it up. https://circuitpython.org/board/circuitplayground_express/ has the latest versions for your CPX.
If you're programming with Arduino, go ahead and upload whatever Arduino code you're using.
Sorry, should have specified that I want to use Circuitpython again.
Ah, there was the link to the uf2.
Thanks!
Additional question, because I simply can't remember: Are the libraries all pre-loaded now?
And also: Is there a library for I2C SSD1306 OLED displays?
These are files from the old projects, can I simply delete all, load the libraries from the bundle and start writing my main.py?
Sure, if there's nothing in there you don't already have saved or plan to save.
Great, thank you for helping me get started again.
Hmm more questions: After putting the new uf2 file on the CPX, the drive changes to circuitpy, but my code doesn't seem to run and the neopixels double blink red.
Clearly an error 40, but what's going wrong?
connect to it over serial and you should see a log of some kind
You mean open the serial window in Mu?
sure, or whatever serial client you like
I didn't work but now I found out why, there's a new setting in the lower right corner, it was set to micropython board, once I changed it to circuitpython, the serial worked and now I can debug.
importing board, busio and so on don't require a library file?
Ah, yeah those are built into your circuitpython uf2.
Any external device drivers would need additional library files.
Thanks 🙂
Hi folks!, we would like to know what you would like to see in a store that is based in the UK like adafruit or other stored like digikey
For example like lots of components etc
depleted uranium powder
supposedly cheaper than tungsten powder at most of the density but hard to find a supplier for
ah
leaded solder
with choice between Sn60Pb40 and eutectic Sn63Pb37
pinecil soldering iron with accessories (holder)
those cheap power supply modules like dps5005 and the even cheaper monochrome display ones (ZK-4KX)
nixes from russia
nixie clock kits
ah so lots of kits and odd things lol
a fire extinguisher
hmm
model servos
lipo safety bags
jumper cables
those multicolor silicone insulated wire mini reel sets
@vagrant wolf rent-a-lab tables where all of the gear is available for purchase, including the furniture
need to borrow a whatever cheap 2ch scope? sure, here's a beginner model, covered in the table fee. Need more channels or features? Rigol 1054, if you damage it you have to buy it. Need 4 multimeters? Sure, here you go.
liked the soldering iron? We have those in stock, you can try all of the tips before you buy
if you clean after yourself you get a discount coupon
ahhhhhhhh
and if you need extra parts from the store, you can get those delivered to your table
need 4k7 resistors? 1% 10-pack added to your bill... want another bottle of mate?
and periodically host a repair cafe where people get free help fixing their own stuff
(and tables are free too, it's not a for-profit event)
Your grandma's radio only needed a spray of contact cleaner on the pot, no fee. By the way, we sell this cleaner.
Your vacuum cleaner needs a new power plug. A new plug is this much and we'll help you change it. Here's a pair of snips to cut off the old one, isolation removers, optionally a crimping tool for nice ring connectors on wire ends (sold separately), and a screwdriver.
Put inventory tags on all of the tools and scan them when bringing to the table. At the end of the day check if anything is missing and inspect the condition.
Badly scratched a VDE screwdriver's insulation by abusing a large flat-head as a prying tool? It's still usable but sorry, you have to buy it.
I'd be all about that.
Does anyone know of a store (besides pololu and servocity) that sells right Angle DC motors?
Its on Amazon, but...for "reasons" I am trying to avoid buying from there.
What do you mean by "right angle" DC motors? Right angle to what? Electrical connections? Mounting plate?
gear head?
I recently noticed that the Adafruit MPU6050 6 DoF accel and gyro has gone from $6.95 to $12.95 on the Adafruit store. Digikey had over 200 available at the old $6.95 price and they were suddenly out-of-stock. I'm assuming someone bought them all for the arbitrage opportunity. Is this common?
I have no inside information, but it's also possible that Adafruit requested that the sensors be temporarily pulled from active stock to be repriced, or something like that, since Digi-Key is a distributor rather than owning their own inventory.
right angle gear head motors
basically this: https://www.amazon.com/gp/product/B08M5TFNKL/ref=ppx_od_dt_b_asin_title_s00?ie=UTF8&psc=1
Bringsmart 12V 66rpm DC Worm Gear Motor 3 kg.cm High Torque Low Speed Mini Turbine Worm 12V Reducer Electric Motor Self-locking for Toys
I had guessed that DigiKey had some inventory on-site, due to their rapid shipping (and they fact that they had some items such as the pIRkey available for long after AdaFruit did), but I imagine their suppliers can ask them to return unsold units or somesuch.
I saw one device on Mouser at an unusually low price and I knew the manufacturer is on Discord, so I asked about it, and they said Mouser had apparently goofed with the price and hadn't fixed it, so if I bought it there, they'd still get full payment but Mouser wouldn't be getting their normal margin.
Yeah, the inventory is almost certainly physically at the Digi-Key warehouse. I just meant that it probably wasn't actually owned by Digi-Key, but more sold on consignment, so Adafruit would retain some control over it.
price might have gone up due to a revision and they asked the old ones to be pulled as well.
There are lots of diy builds out there too, don't just look under terminology for soldering but look for like airbrush boxes and diy "fume hoods" as well
Hi just want to know if anyone will be interested in an online store that sold lots of circuit soldering kits
Something like this#
Isn't kittonik the group that does the bbc:micro explorer kit?
Thought so! Cool, thank you for bringing it to my attention!
And also may I ask if you will be interested in a new store selling kits that need to be soldered
Me personally? Unlikely. I have a lot of things to solder backed up in project cabinets of shame.
As much as I might want soldering kits, I don't think I would get to them.
Though also I am having hand tremors that are making it harder to do fine work.
Ah thank you, so what would you be interested in?
QEMU is online.
Void Linux VM is stable.
Window Manager: IceWM.
All systems nominal.
Isnt that what Tindie is for? I dont mean to shoot your idea down...
Question: if restaurants are so very difficult to keep open, how do their owners keep getting loans to open them?
It wouldn't surprise me if in some cases the owners have to personally guarantee the loan, like against their home equity, rather than just being against the business itself.
That's what I was thinking
Like harsher terms? It must be
Unless restaurants are only opened by the independently wealthy
I know a few people with restaurants, and designed a few in the past. Seems to be (here anyway) either personal money, or a cartel of investors who gamble. Im not sure many traditional banks are touching them
one that i designed was a bunch of rich friends who just wanted better food in their town
haha
tossed in $2m, instant high end restaurant
lasted about a year, then they reformatted to a cheaper menu, then went bust a few years later
Yeah restaurants are hard
covid killed my friend's off
well lockdowns that is
the virus doesnt affect inanimate objects
😛
i want to start a restaurant that only serves kraft dinner
I read that wrong
ha
I would have understood if you were saying Covid killed your friends off
apostrophies are important
But I reread and realized you were saying it killed your friends restaurants off lol
So true
mmm reheated pizza hut
see thats a restaurant (i use that term loosely) that can weather any storm
If you have corporate leverage in food markets, you’d survive a pandemic too
Good enough for people to come back, cheap enough for people not notice
Or not care anyway
My wife is doing a personal chef kind of catering
Food economics are definitely weird
it was amazing just how fast businesses fliped to online
But it pays our food bill every month so it’s a win
She only really needs to sell a few dinners a week for us to be good
nice
i need to invent something that will keep my bills paid
ha
so i dont need to worry about work. my industry is unstable, so im always worried i wont have a job in 6 months
Yeah, I work for a startup that makes high end charcoal smart grills
Slightly worried about the economic downturn
yes. i dont know that people understand how bad it is going to be
i put all my house rebuilding plans on hold cause i think its more important to pay off the mortgage first now cause interest rated will literally double my payments when it renews
skerr thats pretty strongly what people buy when ecomony is pretty good
I’m sure my job will be safe for at least the next year or so but not sure where it sits after that
when the economy is bad, people buy bikes, (cant afford car), but not a whole lot of other unneccesary items
we'll see
this time is.. weird
The target market for the grills my employer makes is usually pretty well to do people
certain people during covid (like me luckily) never lost anything at all. but i think that was more luck than any sort of planing
But I think plenty of well to do people will be very financially wrecked since a huge majority of people built wealth in real estate the last 10 years.
I was finishing my 4 year when Covid started. Started my first engineering job Jan 2021
i lost job during 2020 summer covid crash of demend
what i see here is anyone that bought a house for 700k-2m at the upper edge of their means will have to sell, and probably lose money (as in still owe the bank money)
still cant regain job because I got dizzy short time after that. still is now
my friend has a 1 man machine shop, and weirdly ended up busier than ever through all of the pandemic
but bigger shops went under
cause their core customers did
or slowed
etc
I’m kind of expecting rents to crash in the next 18 months
they crashed here early in pandemic. now im not sure. house across from me render for 2600, which seems higher than ever.
little crappy house_
Yeah, I’m paying $2300 for a 3B/3Ba townhouse
dunno, for all I saw, if you pay rent, and others don't, you will also indirectly pay for them
Well, if most people can’t afford rent, then it’s likely they’ll have to lower rents to keep occupancy full
it's a while that I'm looking for a commercial place, and it's full of them, but all of them are off the market
what happend here is most places for rent are expensive condos. there just arent any "regular apartments"
and ever new condo is ultra luxury
cause thats what investors wanted
he has an old fadal, and a hartford, and a really old okuma lathe he swiped from the shool he taught at
A lot of areas are getting overbuilt on luxury and not enough medium to low income
I love to have a bit shop with a PNP and just tons of wood, metal working, and additive manufacturing capabilities
so they will rather increase the prices, and gain from it like if it were 5 different places, if they can't sell enough
I might be wrong, but here is what I see, tho I wish them to crash badly
this was to be my new shop, but thats on hold for 3-4 years now
That would have been neat
150k better spend flattening the mortgage
I’ve got to optimize my current space. An unfinished basement with 2 outlets lol..
if you're dealing with an architect or a locar contractor, keep an eye on it, you will likely get ripped off
if they don't follow your demands, get out and find someone else
instead i make a cool shed.
i am the architect
(points up about the designing restaurants)
😛
are you licensed?
if not do not get caught
ha, nah, i cant stamp, but im allowed to do my own work
Is metal framing code for roofs?
its a shed, code doesnt apply here
but the short answer is no, not without engineering stamp (which i cant do)
I thought rules were different for occupied sheds vs storage sheds
cool here I should call an architect even to repaint the walls
useless to say that I don't
the rules here are based on size
and officially, it is not occupied
over 10m2 all the code and permits apply
and id have to pay $5000 to get someone to stamp that silly shed
the truss is art though. haha.
dont think you can see it in the pic
uh nope, the door is covered ha
let me see
so it is properly engineered. i can park a car on the roof. just no stamp
Does anyone use Duet to connect a windows11 PC to an iPad Pro? It used to work fine, now it just doesn't function
wondering if I'm unique
For when you don't want them, use less solder and more flux. When you do want them, use more solder. Iron temperature and solder composition also affect this.
Hey guys, just wondering but does custom packaging really matter like if you were to get 2 orders from different companies and one of the orders had customs packaging with there logo would you still buy from that company more
Thanks
did anyone else have a bunch of channels here suddenly show up as unread today, despite having no new content?
yes .. very weird .. must be a glitch😋
Nah
Spam attack
It's how it appears if you aren't present for the attack
adafruit is a pretty popular server so lots of spammers come thru
Buy my nft's. That's all the spam I seem to get
Even now?
Oh sorry. Not here. Just in general
Making a coffee table with minimal tools
Next time you get one of those, tell whomever is on the other end to let NFT's die.
then block them.
Poplar and oak
Wasn’t trying to spend $200 on wood lol..
Just $150
Not my best work. Need to get me a table saw
Table saws are good
Jointers and planers too
Just don't stick fingers in them like my friend did
Sorry I meant even with the crash
Oh yeah even more now cause they are desperate
My little cousin has used raspberry pi in school and he wants to learn more. I have a 3B and a sense hat for him. I'm gonna have him follow tutorials and modify them. After that he's going to do his own project. We have agreed to the terms that I will only help him if he has a question and can't find the answer or gets stuck.
Please go ahead and ask your question. Also, this may not be the best channel for your query.
@normal forge ^
ok
i need a little help with something
im trying to create a reverse function of this little program
https://termbin.com/f2x35
this one converts encoded gsm7 hex data into ascii
i want to make one that encodes ascii to 7bit
many functions already exist in python, but im using an embedded device, so there is no way i can make python run on it
what is the embedded device?
random code found on github: https://github.com/vbs100/gsm7bit
https://stackoverflow.com/questions/49944276/convert-ascii-string-to-7-bit-gsm-coding-scheme incorrect program, with suggested fix