#live-broadcast-announce

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Desk of Ladyada – Marchintosh on Fruit Jam 🍎💾

Ladyada tests final TLV320DAC3100 boards for Fruit Jam, revises the PCB, and explores Jepler’s pico-mac. Also designs a USB-C CC resistor fix board. For the next rev, she hunts an 8-ohm PCB-mount speaker under 0.8" for onboard beeps.

https://youtu.be/heGi3ctx4Kg

Ladyada tests final TLV320DAC3100 boards for Fruit Jam, revises the PCB, and explores Jepler’s pico-mac. Also designs a USB-C CC resistor fix board. For the next rev, she hunts an 8-ohm PCB-mount speaker under 0.8" for onboard beeps.

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Desk of Ladyada - Slow Sunday Pokes 🔧🎧📦
https://youtu.be/mrvS-7-kkfM

Testing a PCM5122 I2S DAC, adding LEDs to the 8x solenoid driver, and prototyping a "USB CC Fixer" to charge a tricky baby monitor. Also we're on the hunt for a stereo I2S amp with 5W+ output.

Testing a PCM5122 I2S DAC, adding LEDs to the 8x solenoid driver, and prototyping a "USB CC Fixer" to charge a tricky baby monitor. Also we're on the hunt for a stereo I2S amp with 5W+ output.

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Desk of Ladyada – RP2350 Bones Day
https://youtu.be/sNEu8FY-e44

New RP2350 chips are here, and we're building fresh "Bones" boards—starting with the Adalogger RP2350. We also fixed Sparkle Motion's power issue and designed a Stick version. Plus, we're exploring tiny 1.1V regulators to optimize future boards.

New RP2350 chips are here, and we're building fresh "Bones" boards—starting with the Adalogger RP2350. We also fixed Sparkle Motion's power issue and designed a Stick version. Plus, we're exploring tiny 1.1V regulators to optimize future boards.

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The Great Search - How to Source Tariffed & Non-Tariffed Items on DigiKey 📦🌎💸
https://youtu.be/I-eD6FSM0bU

Since this is the topic of the day, we'll be looking at how to purchase an item from DigiKey with tariffs in mind. DigiKey is a free trade zone, which means that if you're not in the USA, you will not have to pay additional tariffs on goods that are re-exported. However, for USA destinations, the new tariffs can add a significant cost if the com...

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Desk of Ladyada – Designing More Protos & Trying Out Codex 🧠🔁🕹️
Protos are pumping! 🛠️ We're designing breakouts for new chips + testing Codex vs Claude. Also: help us find a WM8960 replacement 🎧 and maybe... should bring back the DIGG button kit? 🕹️ Tune in!
👉 https://youtu.be/JYbHJVo71-s

Protos are pumping! We're designing breakouts for new chips + testing Codex vs Claude. Also: help us find a WM8960 replacement and maybe... should bring back the DIGG button kit?

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Desk of Ladyada: Stepper Spinner, LED Booster & Radio Receiver
https://youtu.be/nWAnyuuCv-c

Prototypes ready: STSPIN220 stepper driver, LED booster, SI4732 radio breakout & more! Plus, a deep dive on RF inductors for radio filtering. Tune in & grab the latest gear!

Prototypes ready: STSPIN220 stepper driver, LED booster, SI4732 radio breakout & more! Plus, a deep dive on RF inductors for radio filtering. Tune in & grab the latest gear!

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Desk of Ladyada - Return from "Dethflu"! 🍓🎤
Back from the flu & back in action! 💪 Check out the latest hardware updates: Fruit Jam Rev C is final, Sparkle Mic fix is in, and new stepper driver tests coming soon. Plus, PiTFT & PoE upgrades underway!
https://youtu.be/CZQLgqoybe4

Back from the flu & back in action! Check out the latest hardware updates: Fruit Jam Rev C is final, Sparkle Mic fix is in, and new stepper driver tests coming soon. Plus, PiTFT & PoE upgrades underway!

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Desk of Ladyada - Drivers, Tachyons & Heat Sinks – Oh Boy!

Fresh drivers for Bosch BMP5xx sensors & LiPoly chargers, plus Particle Tachyon fun with web-console shell + Blinka support! 🚀 Also, heat sink tips for TO-220s - https://youtu.be/ek0IEFQZsVo

Fresh drivers for Bosch BMP5xx sensors & LiPoly chargers, plus Particle Tachyon fun with web-console shell + Blinka support! Also, heat sink tips for TO-220s.

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Desk of Ladyada - Blinka x Tachyon, BMP585, VEML6046, e-Ink bonnet 🧪📟🖥️
Testing the BMP585, VEML6046, e-Ink bonnet, Particle Tachyon, plus updates on Blinka + CircuitPython support. Also on The Great Search: hunting a 24-bit I2C ADC for RTD sensors. Watch 👉 https://youtu.be/Gx2dj6lK-w8

Testing the BMP585, VEML6046, e-Ink bonnet, Particle Tachyon, plus updates on Blinka + CircuitPython support. Also on The Great Search: hunting a 24-bit I2C ADC for RTD sensors.

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Desk of Ladyada - Prototyping CAN FD Featherwing & BFFs 🚗⚡

Plus, we’re exploring USB Type C PD w/ PPS & wrapping up the STHS34PF80 driver! Check out our deep dive & upgrades on The Desk of Ladyada + The Great Search! 📺 Watch - https://youtu.be/ptht_t0JNZY

We’re exploring USB Type C PD w/ PPS & wrapping up the STHS34PF80 driver! Check out our deep dive & upgrades on The Desk of Ladyada + The Great Search!

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10% off! Use code: qualcomm on checkout, expires 11:59PM ET! https://www.adafruit.com

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10% off! Use code: emulate on checkout, expires 11:59PM ET! https://www.adafruit.com & https://youtu.be/F0Pv8LMWuvU

ASK AN ENGINEER 10/15/2025 LIVE

Visit the Adafruit shop online - http://www.adafruit.com


LIVE CHAT IS HERE! http://adafru.it/discord
Subscribe to Adafruit on YouTube: http://adafru.it/subscribe
New tutorials on the Adafruit Learning System: http://learn.adafruit.com/
-----------------------------------...

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Desk of Ladyada - Cranking through a huge backlog! 🔧⚡
https://youtu.be/Ox4vutcj0BQ
Zooming through a massive pile of new boards and libraries, plus hunting for an ICS-43434 I2S mic replacement - watch to see what we find!

OMG, we're zooming through the backlog... new protos ordered (STC31+SHT41, MT6835) and boards/libraries shipped (Terminal Block BFF, TMAG5273, VCNL4030, MAX44009, TMF8806). Still in progress: RV-8803, WF100DPZ, ADS7128, TMF882x, and VL53L5x, then we're back to Feather designs, home sensors, and Raspi accessories.

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Desk of Ladyada - Camera Breakout + Autofocusing Firmware https://youtu.be/RHw7oisq0pA

Last week we took a look at an OV5640 camera sample that had a voice-coil auto focus motor inside. At the time we didn't get it working, turns out the breakout we were using had some shorted connection to the VM pins. We happened to have a camera breakout PCB we're working on so we put one together and found that with a little wiring we could fo...

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The Desk of Ladyada - The Desk of Ladyada - Return of the Kee Board KB2040 https://youtu.be/bsuYZ0lh6_E

Ahh we are trying to finish some older projects off, this week we put together a KB2040 which we designed earlier this year It's the same size and pinout as a Pro Micro - for use with keyboard projects like this DIY one https://1upkeyboards.com/shop/keyboard-kits/macro-pads/sweet16-macro-pad-white/ We generated a pinout diagram to help us verify...

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The Desk of Ladyada - ESP32-S2 TFT Feather feat. Mini Modules! https://youtu.be/vamLQgbvpGs

Last week we wrapped up the ESP32-S2 feather, and they're in the shop now. We made two versions, one with and one without a BME280 enviro sensor. Next up we'll do take 2 of this board, the TFT Feather - we've tested Arduino on it so now its time for CircuitPython. Our first attempt at the board definition has slow TFT redraw for bitmaps but we c...

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Desk of Ladyada - KB2040 Tester + a Testbed library - https://youtu.be/pCWT5pK19Os

OK we're going to be fabbin the KB2040 board tomorrow! Yay PCBs arrived and we've got all the parts. Last thing I have to do for the team is hand off the tester. Over the weekend I've been doing a few testers over and it started getting annoying how much copypasta we have in our testers. So I wrote a Testbed library that sort of encapsulates a l...

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WE ARE LIVE! SHOW AND TELL! https://youtu.be/t4atUBSjFAI
ASK AN ENGINEER 11/24/2021 LIVE! https://youtu.be/s-hzGcxcOQ4

#adafruit #AskAnEngineer #engineering

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 tutorials on the Adafruit Learning Sys...

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Desk of Ladyada - Loooong weekend to finish the QT Py ESP32-S2! https://youtu.be/nQnyOD9b7Ag

We had a nice long weekend with tasty food, hanging out with friends, and doing electronics! one thing we got around to finally was finishing a QT Py that is based on the ESP32-S2. Yeah this is many months old but we also wanted to wait till we could get the version of the chip with PSRAM built in. We're doing Arduino & CircuitPython tests now. ...

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Desk of Ladyada - Uno Mini Unboxing, Feather M4 Adalogger respin, Hacker tunes, and more! https://youtu.be/E3znKykemi0

On this weeks' Desk of Ladyada - we got a mess of prototypes including our Feather M4 Adalogger. We found a few mistakes, we'll chat about them so you can learn from us! We also got a flippy-floppy sensor Stemma QT board for the VEML7700, which comes in two reel flavors. pt has some hacker tunez to show off, and we'll unbox the new UNO MINI Lim...

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ASK an ENGINEER will be Thursday at 8pm ET this week! Dec. 9, 2021 !
https://blog.adafruit.com/2021/12/08/ask-an-engineer-will-be-thursday-at-8pm-et-this-week-dec-9-2021/

Adafruit Industries - Makers, hackers, artists, designers and engineers!

ASK an ENGINEER will be Thursday at 8pm ET this week! Dec. 9, 2021 ! We had a super special trip to visit the NYC gov today and we’ll be posting about that soon. Show and Tell is still on TON…

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Desk of Ladyada - Lots of prototypes: Feather M4, QT Py ESP32-S2, and CP2102N https://youtu.be/lxMhNDahZXU

We had a smashing week of getting through some older prototypes. First up we have revised our CP2104 breakout to use the CP2102N as we covered last week, its the next 'generation' of Silabs usb-serial chips. Our rev B of Feather M4 adalogger is in, and we think we've got this one ready to ship. Finally we also got our 4-layer QT Py ESP32-S2 boar...

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This week! Desk of Ladyada will be shifted a day .... Monday Dec. 20th, see ya then! Probably around hacker-o-clock, which is after 8pm-ish 🙂

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Desk of Ladyada - Post-Family Visit Desk Check! https://youtu.be/b5iFQAp56M8

We're back from visiting family, but we do have some goodies on our desk to show off. One is our ESP32-S2 TFT Feather did get wrapped, we wanted to make sure our low power mode is right - we made a mistake with the pullups on the earlier version. We also have a new Feather we finished designing with the code name SCORPIO!

The Great Search - 74A...

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The Pi Cast: Adafruit Talks KB2040 Board for Custom Keyboards

YouTube:
https://www.youtube.com/watch?v=jnxAq6czefY

FB:
https://www.facebook.com/tomshardware/posts/10161651541109676

The folks from Adafruit join us to talk about their latest RP2040 board, the KB2040, which is specially-designed to help you build your own custom keyboard, powered by Raspberry Pi's SoC and CircuitPython.

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Desk of Ladyada - Cozy Holiday Chillax Time https://youtu.be/Hl4dq4p8t-8

Ooh its the end of the year, a very liminal time as it were! We are keeping warm and well-fed while wrapping up some projects. We got our Scorpio PCBs in, but we're still waiting on our 8-bit level shifter chips before putting em together. We also are working again on our Feather M4 Adalogger board. While doing so we started working on some Lear...

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Desk of Ladyada - Full Time Floppy Fun! https://youtu.be/1LceABqUsLs

The week between Christmas and New Years is usually a time when we get to play with some new technology since a lot of people are out and many meetings are postponed. but this year we played with some old technology! we tried hooking up a 3.5" floppy drive to a microcontroller to see if we can read data from it. we learned a lot about floppy i...

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The Desk of Ladyada - 5.25" Floppy Drive hacking! https://youtu.be/opCV_4S56Ow

This weekend we dove headfirst into getting fluxengine and our 5.25" disk drive working with the floppy featherwing. good news is that we were able to add support to Adafruit_Floppy and with a little refactoring, add 360K disk MFM decoding. we thought we didn't have any DOS floppies but we did find one in a pile (mouse driver). we then used flux...

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The Desk of Ladyada - What is this, a gameboy for ants?!?!? https://youtu.be/0XTi4aOwL7M

This week we put together our first QT Py accessory board which turns the diminutive board into a tiny gaming platform with 10 buttons, a TFT screen, micro SD card, and headphone out. The PCBs showed up late last week so we quickly soldered one together and we pretty much got it going! then we ported arcada to it (that's our Arduino button/displ...

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The Desk of Ladyada - Stemma Sunday & VFD Vunday https://youtu.be/w__LRpe4G28

This weekend we got a LOT done with new and revised stemma boards! For revisions, we got, assembled, and tested the DRV2605 and ADS1x15 QT boards - both work great. we also put together and tested our qt py lipo BFF and it works great, for our final version we added a battery monitor resistor divider. in order to test the BFF we needed a power m...

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WE ARE LIVE! The Desk of Ladyada - RETURN OF THE FLOPPY HACKING (time to write!) https://youtu.be/HX5IG4tqeHc

ok cats and kittens, we know you missed the floppy hackin' so you should be glad to know we're BACK on the floppy kick, with some timer driven code for capturing and generating flux pulses. we're not 100% sure we need timers to do it but we were having a few issues with writing floppies consistently so figured this could help. today we wrote an ...

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Desk of Ladyada - Stemma Sunday and lots of new designs! https://youtu.be/tro7VZyDfn0

We churned through a big pile of testers and new designs this week: two IPS TFT displays with EYESPI connectors, the VL53L4CD time-of-flight sensor, the ESP32 QT Py, an OV2640/OV5640 camera breakout, and the ESP32-C3 QT Py. With a lot of our floppy work done and tested for both SAMD51 and RP2040, it's time to move from shugart 34 pin to Apple Di...

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Desk of Ladyada - Some LCD and Winamp fun! https://youtu.be/H55Ljn8ya3Y

This week we worked on some upcoming new products, including the Feather ESP32 V2 which we listed in the shop in prep for stocking next week. it's a full refresh of the Feather ESP32 and we even got low power in deep sleep - down to 70uA! we also got some LCD samples in the post and had a fun time learning how to drive these with GPIO pins on a ...

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Desk of Ladyada - Return to Py Camera https://youtu.be/l47peY3gl1I

We had been working on a lot of camera support for CircuitPython. We're getting back to that project now with an all-in-one DIY camera board with an OV5640 camera module and an ESP32-S2. You really do want PSRAM to buffer large images like 1440p JPEGs for saving to disk. One thing that we bumped into is that SD cards can be very finicky when ini...

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Desk of Ladyada - Stemma Sunday, ESP32 QT, and a flip-flop PCF8523 https://youtu.be/rDs9IpW-iWY

This week we spent a lot of time on revisions! This means we're not able to spend as much time on new products - but it's important to make sure existing customers can keep using our parts. For example, the Ultimate GPS USB board got a respin https://www.adafruit.com/product/4279 to move to the CP2012N and also USB C. We have a few more boards t...

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Desk of Ladyada - S3 Sunday and Some Samples https://youtu.be/eFA2jt4mTl4

This week we've been working on more and more revisions and also trying to get some older designs out the door. For example, we've got some ESP32-S3 feather and QT Py designs that we didn't release due to some errors and also S3 support in the world wasn't quite ready. But with our revised S2 design done, we swapped out a board on the panel with...

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Desk of Ladyada - Busy week, lots of revisions & some interesting new chips https://youtu.be/92-GZ1T66_k

This week was massive in the fabrication dept at adafruit with a lots of revisions that we started a few months ago. Check out https://www.adafruit.com/new/ to see check them out. While this week was busy managing those revs, we're checking out some other sensors that caught our eye for turning into STEMMA QT boards: VL53L4CX (6m range ToF!), EN...

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The Desk of Ladyada - Lets design a Pico to Arduino Shield converter https://youtu.be/WSRVttVH4CU

We got a user request today for a board that would convert a Raspberry Pi Pico $4 microcontroller board to use Arduino shields. An interesting idea! Let's go through what we do at the Desk when a new idea like this is presented to gauge feasibility.

The Great Search - 5V eFuse
https://www.digikey.com/short/b9c215hd

eFuses are a nifty way to pr...

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The Desk of Ladyada - Mailbag & Spaceball 2003! https://youtu.be/RtzZV78-LxU

Mr Ladyada gave me this funky 3D mouse to play with today - it has a DE-9 plus power supply cable on it, so with a little googling and pySerial hacking we were able to get button and motion data out of it. Next up, we want to design a RS-232 Featherwing to make it easy to attach to these sorts of devices and send/receive data. Even though RS-232...

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The Desk of Ladyada - A nifty SONY turntable, and a few chips we're checkin out https://youtu.be/3fDQE9tv0YU

We have been on the lookout for a Sony Flamingo - a very retro-futuristic turntable that can play singles or LPs using a funky minimalist design. It is a gorgeous piece of machinery. Meanwhile, we know folks like using a Raspi to make a 'pihole' ad/malware blocking DNS server but pi's are hard to get, so we looked at turning a Feather ESP32-S2 T...

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The Desk of Ladyada - VCF East / Museum Field Trip & CM-2 Pi Case https://youtu.be/myEDN5z8zTo

This weekend we took a day trip out to NJ to visit the InfoAge / Camp Evans historical district in Belmar NJ. This collection of buildings is on a former defense site on the coast and is both host to the VCF East festival AND has a ton of really cool museums and historical artifacts including an epic vintage radio/television museum, an amazing w...

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The Desk of Ladyada - Pink PCBs, USB PD Sink & Serial Chips https://youtu.be/_QL6-sIWDwY

On this week's Desk of Ladyada we're celebrating spring - the tulips and cherry blossoms are blooming all over NYC this weekend. We took some cute spot-color pictures with the KB2040 for an upcoming freebie promo. We also got some samples of CH9102 which work great as replacements for CP210x which is good because we've had some difficulty gettin...

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The Desk of Ladyada - Sample Sunday & a NAU7802 tester start https://youtu.be/ejZR2vNQgEY

This week we did a lot of sample testing! First up is this cool conductive rubber sheet. We sell conductive rubber cord, but we had a recommendation to get some 2D shapes as well. This material is easy to cut and has some changing resistance with movement. We also got a motorized potentiometer sample, which is super fun - we're using a simple H-...

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The Desk of Ladyada - Pocket VNA, Crystals and Minerals and Blood moon https://youtu.be/t1C2QjPhztY

There's a full lunar eclipse tonight that you'll be able to see if you're in the eastern half of N America or in S America (https://moon.nasa.gov/news/172/what-you-need-to-know-about-the-lunar-eclipse/) if it isn't cloudy, go outside and look up! Or watch NASA's livestream. We also went to the NJ Rock, Gem, Mineral and Fossil show (https://nj.sh...

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The Desk of Ladyada - S3 & Sample Sunday https://youtu.be/JBo326sv-_Y

This weekend we spent most of the days outside, but we did get to one new board! We already make a Feather with an ESP32-S3 8MB module. Espressif recently sent us a few reels of ESP32-S3 mini modules with 4M flash and 2MB PSRAM, so we are spinning a new version of the Feather for this module. It's pin compatible but since the modules look so ali...

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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...

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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...

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The Desk of Ladyada - a QFN swapperoo https://youtu.be/_ZXRFM3UD-Y

Hey it's still a chip shortage - here's what we did this week to help manage it! First up, our order of atmega328p's from over a year ago got bumped to late 2023 and at this point we may not even get till 2024. but we wanted to see if we could get a few products back in stock like the feather 328p or metro mini. we did find some atmega328-mmh's ...

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The Desk of Ladyada -Yet Another Stemma & Seesaw Sunday - PCF8574 & PC Joystick https://youtu.be/nMv20bmsP0I

We blogged about this cool project that converts a PC joystick to USB https://github.com/necroware/gameport-adapter and we realized there's probably millions of these old joysticks folks may be wanting to update or interface with. So we threw together a quick PC Joystick QT breakout! I'm using seesaw cause we need analog inputs as well as digit...

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The Desk of Ladyada -Stemma Sunday! MMC5603 breakout and code + Co-Pilot for libraries? https://youtu.be/0IhSMpJg9RQ

This weekend we finally got back round to assembling/testing/coding up libraries for the LIS3MDL-replacement we found a few months ago: the MMC5603 https://blog.adafruit.com/2022/03/21/a-magnetometer-that-you-can-purchase/ We'll be using this in our replacement/updates for the Feather Sense and CLUE board. We also got a whole mess o prototype PC...

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Tonight the Desk of Ladyada will be at 9pm and it's The Great Search - Power-on-reset in sot23-3 , a replacement for APX803-26SAG (we are away tonight, so this is the pre-record that will go live then, enjoy!) https://youtu.be/grSPvnYrPWs

https://www.digikey.com/short/cp05vd44

Many devices and sensors like it if you give them a fancy reset pulse after power has come up, particularly displays and OLEDs! But sometime for wiring simplicity we would like to skip using a microcontroller pin, and have the breakout board autoreset on power loss. In such cases we use a 'power on reset' ...

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