#GPS DONT GET SATELLITES

273 messages · Page 1 of 1 (latest)

warm narwhal
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Hi, im noob and i started in the hobby of drones 2 weeks ago, im learning , sorry and be patience whit me pls 🙂

quartz apex
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since we last spoke in #help-and-support
what have you done so far?

warm narwhal
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yo

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okay, the last thinghie of yesterday was go outside and try to get some satellites

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the problem of today,,, when i tooked the car for go the my site of fly

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the gps literally didnt work

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so nothig to try

quartz apex
warm narwhal
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i arrived to home, i conected to betaflight

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and now i dont have the logo of the gps

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so, i think better start from 0 now

quartz apex
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in short, it's not powering up or not being detected...

warm narwhal
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and go step by step, i did it so many times whit videos of youtube but not work

quartz apex
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do I need to tell you to check wiring and all?

warm narwhal
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so now maybe whit ur experience can u fins the issue

warm narwhal
quartz apex
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so you've not checked wiring yet despite that being the most obvious?

warm narwhal
warm narwhal
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but for explain to u better, i think is better check from the step 0

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to the end to find where can be the problem, i did it like 10 times, but i cant find the issue,,, for that i was saying yesterday maybe i should update the firmware cuz,,, i cant find the issue

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so okay, focus, i go disband the drone and ill go take a picture of the soldering

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it go take to me like 2-3 mins. and also @quartz apex sorry for my english not is my first language, and thx so much for help all this days, im very apreccieated whit ur help 🙂

quartz apex
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don't complicate things:

  1. wire gps to a vacant uart, tx goes to rx, rx goes to tx, 5v to 5v, gnd to gnd.
  2. configure ports so that GPS is active in the correct uart, set baud rate per gps spec
  3. tweak GPS settings in Configuration Tab, defaults should be fine for starters.
  4. Take it outside, power it up.. get sat lock
warm narwhal
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yeah, i did it,,, exactly for that is why im getting estressed is so easy, i did it like 3 times all the proces

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but nothing

quartz apex
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do you still have the old gps unit? try that again..

warm narwhal
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both gps are shit, but i think the tbs is better no?

quartz apex
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or, instead of using the plug, solder the wires directly to the pads on the GPS unit

quartz apex
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because TBS?

warm narwhal
quartz apex
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these are exactly the same, just rebranded shit

warm narwhal
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I was using before this conector

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But desperately i quites and did it soldering

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For try get better connection

quartz apex
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if the gps units have pads, use the pads.. and solder the wires directly, on both sides

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if there's no pads, make sure the pins in the connectors aren't bent

warm narwhal
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In process of disband

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1 min

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Btw, it is good or its a bad idea? Btw what is the name in english of that red thing?

quartz apex
warm narwhal
quartz apex
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you'd want them separated.

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the receiver and the vtx.. more so if your VTX heats up so much..

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(even though the receiver has a tcxo)

warm narwhal
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here, the RX of the gps go to TX of the FC right?

quartz apex
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TX transmits while RX receives

warm narwhal
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so its okay

quartz apex
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could be better

warm narwhal
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the soldering not is perfect but i think not is the issue right?

quartz apex
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it's "not yet" an issue, until those extra exposed wires short out

warm narwhal
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okay 2-5 mins, i go quit and do it again

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wait, maybe i shoul try to put in another port?

quartz apex
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only strip out insulator as big as the pad the wire will go to.. there should be no extra conductor exposed..

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uart1 is perfect and specifically alloted for a gps

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and there's really no other spot for it other than uart2

warm narwhal
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There is the top side of the Fc

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Rx 3 and tx3 looks clean

quartz apex
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isn't that in uart3?`

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what's on uart5?

warm narwhal
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is on uart 3 the VTX

quartz apex
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which exact wires are connected?

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did you wired Video Signal to TX3?

warm narwhal
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IN THE PORT 5 REAceiver

quartz apex
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(instead of VTX pad)?

warm narwhal
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one sec i go cut the zip tie

quartz apex
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"Smartaudio/Tramp" should go into TX3, Video should go into VTX pad/pin

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which in that case you cannot use uart3 for the GPS

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uart 4 should be vacant..

warm narwhal
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okay step by step, i should change the VTX soldering?

quartz apex
warm narwhal
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actually is , VTX IN AURT 3
receiver in UART 5

quartz apex
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Smartaudio/Tramp pad on the VTX should connect to the TX3 pin

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if you want to move the GPS into another uart, then UART4 should be vacant

warm narwhal
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But the vtx is already in the VTX pin

quartz apex
warm narwhal
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is it no?

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so VTX its okay ?

quartz apex
warm narwhal
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so, ill go do the solderin of gps again, i will try to do perfect...

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From 1 to 10? Score? harold

warm narwhal
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now i should put batery and check if in betaflight it appears right?

quartz apex
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or I'm being generous?

warm narwhal
quartz apex
warm narwhal
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the problem is im noob, poor and unexperienced, so i dont have good material for do it better and it is a 6-7 is my situation, but for one profesional it es 2-3

quartz apex
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use flux and leaded solder, 350degC on the iron..
tin pads, tin wires, cut to length.
melt solder on pad, dip in tinned wires, solder melts on wire, remove iron

warm narwhal
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i have a problem whit the flux

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if i put much, i will conect the 4 in one

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xd

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but yes, i will try

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i go use flux now

warm narwhal
quartz apex
warm narwhal
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i will try do my best soldering for show u my interest u.u

warm narwhal
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okay, 1 hour later,,, enough not perfect, but i didnt stop try it

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i think i let it worst than before

warm narwhal
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It is how actually looks, i changed the ground

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YOOOOO

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SOLVEDDDDD

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Im getting satellites now

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@quartz apex !!!

warm narwhal
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Also say, it was working full disbanded and the gps far away of all the other things, i will do another test full arm. I read in some forums the gps need to be very far of the other components

quartz apex
# warm narwhal okay, 1 hour later,,, enough not perfect, but i didnt stop try it

ground is ground.. so it doesn't really matter which ground pad it's on..
it's a different matter if something is shorting to ground, like say, the TX1 pad..
or if the TX1 pad is shorting with the RX1 pad..
with say a tiny sliver of solder..

antennas of different devices should be separated from each other.. even though they are different frequencies.

the GPS being the biggest antenna (in area) will be better off unobstructed physically or rf-wise is better

warm narwhal
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i ordered this piece, in 1 hour i can install it

warm narwhal
quartz apex
warm narwhal
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i have antenas diversity, thx to ur post i know only 1 works

quartz apex
warm narwhal
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so i have to configure it? to make it true diversity?

quartz apex
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es900RX dual?

warm narwhal
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868 mh

quartz apex
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then it's a True Diversity receiver

warm narwhal
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so i have to configure it right?

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i have it by default

quartz apex
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set it to Diversity via the lua script

warm narwhal
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on my controller?

quartz apex
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(more so if your TX has only one antenna)

warm narwhal
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yes

quartz apex
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tx and rx should be bound before you can access the parameters/settings for the receiver

warm narwhal
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the black antena dont work right?

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if the module is active

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so it is only 1?

quartz apex
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yes.. you cannot have both internal and external modules active at the same time and working in tandem

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and the internal module on the x9 is also 2.4GHz, not 868

warm narwhal
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i dont see the lua :c

quartz apex
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ExpressLRS -> Other Devices -> Receiver Item -> Ant. Mode

warm narwhal
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i dont have that option

quartz apex
warm narwhal
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Btw i should configure it also

quartz apex
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in the ExpressLRS Lua Script, is there a C in the top right corner?

quartz apex
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CH5/Aux1 at the High (2000us, +100) is Armed..

warm narwhal
quartz apex
warm narwhal
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it was by default so nice for noobs xd

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about the tim power and init rate?

quartz apex
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leave it as is

warm narwhal
warm narwhal
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it is okay?

quartz apex
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yes

warm narwhal
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ahhh btw also this morning i was flying all the time whit the allert of the rsi dmb

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shoul i quit from the osd?

quartz apex
warm narwhal
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no

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i was flying well

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is my first time of i fly more far than 500Meters lmao

quartz apex
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what value did you set the warning to be? or you didn't change it per the guide I have linked for you before? for about two times now..

warm narwhal
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btw whitout gps like this morning im afraid of test the limits of my dron

warm narwhal
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until here , my tdha was on after that : s sorry

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done

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i setled is for fast refresh of data

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200 and 1:2

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i did all except this

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i think it is for people who dont want info in excess right?

quartz apex
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so after all that, you still missed this?

If you wish to enable the RSSI dBm warning, you'll have to change the alarm level using set osd_rssi_dbm_alarm = -100 in CLI. A sensible value is 5-10 higher than the sensitivity shown in the ELRS.lua for the packet rate (e.g. 250Hz=-108, so -103 to -98 for the alarm).

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as this is my main concern really..

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that's all I wanna know

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what alarm level did you set your dbm to be?

warm narwhal
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should i change the value

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set osd_rssi_dbm_alarm =100

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like this¿

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done

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is a bug in the page, is whitout "-"

quartz apex
warm narwhal
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oh

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more things... about the sounds

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oh no no, i will configure the gps rescue now

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why so many differents?

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which one i should download?

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750?

quartz apex
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select your board..

warm narwhal
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aah

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405

quartz apex
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BEFORE you flash, save a backup of the current configuration.. via the CLI diff all command

warm narwhal
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what ? i have to flash?

quartz apex
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what are you doing exactly?

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you're on the firmware download page.. so I'm thinking you intend to flash the firmware

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(of your flight controller)

warm narwhal
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no, i want to update the betaflight

quartz apex
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here's my advice: DO NOT update your betaflight firmware.. for now at least

quartz apex
warm narwhal
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i just want to put gps rescue mode in my drone, so for that i need betaflight 4.4 right?

quartz apex
warm narwhal
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4.1.1

quartz apex
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which has some older form of GPS Rescue

warm narwhal
quartz apex
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read that note at the bottom

warm narwhal
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ye ye

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so is just CLI > diff all > save in file

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right?

quartz apex
warm narwhal
warm narwhal
quartz apex
warm narwhal
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???

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the first one is true

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what do u mean whit the point 2?

quartz apex
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how many times have you flown your drone at what distance/range?

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have you so far enjoyed your drone?

warm narwhal
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like 10 times , at maximum 500 meter today, i didnt know well cuz my gps as u know not was givin data

warm narwhal
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as u know im noob, but im so dedicated...as u can see,,, whit my issues of noob,,, but dedicated

quartz apex
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here's a scenario for you:

you update your drone... but because you don't know what you're doing, you now have an unflyable drone..

you try and get it sorted out, again.. and now you can't enjoy the drone you've already put time in..

you get frustrated because the drone you worked so hard so far on is not flying.. and you're at it again trying to fix it..
Cool if you can figure it out by yourself..

but then if you can't you would abandon it altogether.. and just move on.. never to pick it up again.

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so my advise is to find enjoyment out of it, even just for a little bit..

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enjoy the fruits of your labor so far

warm narwhal
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@quartz apex maybe u find so many people in that escenario cuz they follow just videos whitout understand i can be that guy,,, i can bea ignorant and just fly as it do and be happy like a kid,,, but i want to configure it well

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im trying to improve the maximum possible

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im not afraid if my drone dont fly

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this is my first drone,, my frankesitein

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it is for learn

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in the moment of fuck this i go buy another,,,something of this year

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this drone is of the year 2016 maybe,,,

quartz apex
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So learn.
Learning takes time.
if you cram all the things all at once, you'll get overwhelmed

warm narwhal
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actually i think i can hold it

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u dont trust on me for update the firmware :c

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if i have the backup, why it is so risk?

quartz apex
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I started 2020-21.
used the majority of 2020 being locked down, studying the hobby, waiting for parts.
2021, still in lock down, still waiting for parts, sim training. still learning.
got some parts, started building, still studying..

still learning
and still learning, 'til now

warm narwhal
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bro in the life we never stop of learn

quartz apex
warm narwhal
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about all

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until you die

quartz apex
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the changes from what you currently have vs the current version is MASSIVE.
and might as well start from scratch..
i.e. not use the backup and have it as just backup (so if ever you felt you can't configure the new firmware, you can reflash the old version you currently have and set your backup for it)

warm narwhal
quartz apex
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you seem to have figured things out on your own.. so GL..
I'm stepping away..

warm narwhal
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nooo :c

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im just showing like other guys are updating also the tyro129, and it is working, i mean is very old... but it have updates

quartz apex
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I never said it won't work..

what I'm not sure is if YOU can make it work on your own without hand-holding..

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IF you think you can update it without my intervention, go ahead..

warm narwhal
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going slow and whit patience and ur experience + youtube i think i can do it

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about ho much time can take update the firmware?

quartz apex
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how is my experience in the equation? should I send invoice now?

warm narwhal
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lmao im poor, but tell me price, maybe i can hold it

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$$?

quartz apex
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mate, I'm not here for the money..

but sure ain't hired for one-on-ones.. 🙂

warm narwhal
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what can i say,, i just want to show u of im interested in this hobby i want to learn the maximum posible, is better if i fuck one drone of 2016 than a new drone

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where i should learn to update a firmware in a new drone of 200-300$ ? whit the risk of fuck it? or in one drone of 150$ ?

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ill go get info about update, and probably monday i will try do it, just a question if i update the fc i have to configurate later again the module and receiver? i should disconect everything of the FC?

quartz apex
warm narwhal
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@quartz apex yooo good morning,,, bruh,,, yesterday after install the gps it started fail again.... i think is cuz the interferences for stay near of the vtx antenna or something

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i will continue today trying to find the issue, also say i updated sucesfully yesterday the fc 🙂

quartz apex