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GPS (DIY) problem #266
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adam (Adam Wojcieszonek)
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adam (Adam Wojcieszonek)
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Reference: adam/LoRa_APRS_iGate#266
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I have set up an iGate using a LilyGO T3 v1.6.1 board. Since I want it to be portable, I installed a NEO-6M GPS module. I flash the Lora32 V2.1/1.6.1 + GPS (DIY) v3.2.3 firmware version.
However, the screen displays 'Satellites=0', no matter how long I leave it outdoors.
As a test, I uploaded a custom code via Arduino IDE, and the Serial Monitor correctly shows GPS data, which means the wiring and connections are working fine.
Yet, with the iGate software, I don't get any GPS readings.
What could be the problem?
Hi
One if one firmware works and the other doesn't there is no problem
Is that they are different (different way of doing things and usually also different pins selected)
So let's start with the pins: did you check which pins are used on the igate firmware?
Ι connect GPS TX pin with Lilygo 34 pin and GPS RX pin with Lilygo 12 pin.
Is the above connection correct?
use those 12 and 34 pins...
if date and time is updated (it should be less than 30 secs) then its connected as expected
if this works you will have to wait to get the fix (which takes more time - but only the first time))
The led in the gps module blinks that means it get fixed, but in the screen of lilygo displays satelites=0.
It is in exterior sky at least 1hour.
test it changing the cables (RX and TX) between them .... it seems this should be the only missing part of it
i tested but nothing happens
did the time and date update or not (this is the first indicator that the gps works)
test with both ways (Of the RX and Tx connections)
How do I know that the time and date has been updated?
The time is updated via the internet from the pool.ntp.org.
you are using the GPS information ... time and date should be received from Gps (but i got confused from Tracker screen which shows the time and date all the time)
i should add a way to double check the GPS data it receives and validates that the board does receive the gps.
do you have the "send beacon with GPS data" switch enabled?
if the leds blinks it should eventually show on the screen the number of satellites it receives.
do you have the "send beacon with GPS data" switch enabled? YES.
I will flash now with the tracker firmware (not igate) to check if it works.
Wait some minutes for the results
With the tracker version firmware it works with the initial pin connection (GPS TX pin with Lilygo 34 pin and GPS RX pin with Lilygo 12 pin).
Maybe something wrong happens with the igate firmware version.
is the same code that works for all boards with GPS. So now you have validations on the wiring for GPS.
now put the igate firmware and don't add any locations info (latitude and longitude) and just enable the "send beacon with gps data" and wait
it doesn't work. I flash with the igate firmware, i leave location empty (appears 0) and check the "send real-gps beacon".
now you have to wait to get the GPS fix for it to send any beacon
It is fixed. I am in a terrace :)
callsign ?
SY2EIA
We want to use it in a volunteer rescue team, to put in the emergency operation center car, in order to check where is the member of the team.
SY2EIA-10
what does it say on the screen? does the gps-led blinks ?
Yes the gps-led blinks.
In the screen
SY2EIA-10
WIFI: OK APRS-IS: OK
IP: 192.168.107.179 / Satelite(s): 00
can we chat over Telegram ? look for the same user as my GitHub user...
i dont have telegram. Do you want viber or whatsapp; I will send you my number in email.
send number it over mail (we continue over WhatsApp)
i find you in telegram
no news with this, so im closing (if something new appears, let me know)