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Bug in LILYGO LORA32 433MHz ESP32 GPS? #263

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opened 2026-10-05 05:55:12 +02:00 by adam · 12 comments
adam commented 2026-10-05 05:55:12 +02:00
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Hi there.
I ve a ILYGO LORA32 433MHz ESP32 running with the latest FW in Digi mode.
At section "Station" in Long and Lat is set 0
but the switch at "Send Real-GPS Beacon" is set to ON
The red GPS LED on the board is blinking and detects that GPS signal is received.
But if i look to the raw data at aprs.fi there comes:

2026-03-19 20:29:47 CET: DN9ALM-10>APLRG1,WIDE1-1,qAO,DL8FMA-10:=LNM{{NM{{# !GLoRa APRS Digi 433.775 MHz 70cm Batt=0.28V [Latitude and longitude are both 0]

Why does the received GPS psition not set in there or have i a fault/missunderstanding in the settings?

Hi there. I ve a ILYGO LORA32 433MHz ESP32 running with the latest FW in Digi mode. At section "Station" in Long and Lat is set 0 but the switch at "Send Real-GPS Beacon" is set to ON The red GPS LED on the board is blinking and detects that GPS signal is received. But if i look to the raw data at aprs.fi there comes: 2026-03-19 20:29:47 CET: [DN9ALM-10](https://aprs.fi/?c=raw&limit=&call=DN9ALM-10)>APLRG1,WIDE1-1,qAO,[DL8FMA-10](https://aprs.fi/?c=raw&limit=&call=DL8FMA-10):=LNM{{NM{{# !GLoRa APRS Digi 433.775 MHz 70cm Batt=0.28V [Latitude and longitude are both 0] Why does the received GPS psition not set in there or have i a fault/missunderstanding in the settings? <!-- github-sync-id:4103829003 -->
adam closed this issue 2026-10-05 05:55:12 +02:00
adam commented 2026-10-05 05:55:13 +02:00
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GPS data is only enabled for board with GPS from factory

yours is a DIY version that you added the GPS. We could create a version for this to make it work... but the Lora32 as it is, has no gps and won't send anything nor would detect any gps connected

GPS data is only enabled for board with GPS from factory yours is a DIY version that you added the GPS. We could create a version for this to make it work... but the Lora32 as it is, has no gps and won't send anything nor would detect any gps connected <!-- github-comment-id:4092941616 -->
adam commented 2026-10-05 05:55:14 +02:00
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Ah ok.
I ve the same board as a tracker, so I think the GPS should work in both versions (gate/Digi and tracker).
For me a version with working GPS would be great! 😊

Ah ok. I ve the same board as a tracker, so I think the GPS should work in both versions (gate/Digi and tracker). For me a version with working GPS would be great! 😊 <!-- github-comment-id:4092997158 -->
adam commented 2026-10-05 05:55:14 +02:00
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Ah ok. I ve the same board as a tracker, so I think the GPS should work in both versions (gate/Digi and tracker). For me a version with working GPS would be great! 😊

I have to finish a few things sooner but please remember me next monday to start with it and it should be fast to add ;)

> Ah ok. I ve the same board as a tracker, so I think the GPS should work in both versions (gate/Digi and tracker). For me a version with working GPS would be great! 😊 I have to finish a few things sooner but please remember me next monday to start with it and it should be fast to add ;) <!-- github-comment-id:4093036722 -->
adam commented 2026-10-05 05:55:15 +02:00
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Hey @richonguzman
I should remember you on this ;)

Hey @richonguzman I should remember you on this ;) <!-- github-comment-id:4124264761 -->
adam commented 2026-10-05 05:55:16 +02:00
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Hi,

please test the new V3.2.3 version of the iGATE in the web flasher (use the same pinout of the Tracker version, pin12 and 34 for gps)

let me know how it goes

Hi, please test the new V3.2.3 version of the iGATE in the web flasher (use the same pinout of the Tracker version, pin12 and 34 for gps) let me know how it goes <!-- github-comment-id:4127953977 -->
adam commented 2026-10-05 05:55:16 +02:00
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Thx!
Ive uploaded the new version. But if i set "Send Real-GPS Beacon" to on and click safe its back to off after the igate has rebooted.

Thx! Ive uploaded the new version. But if i set "Send Real-GPS Beacon" to on and click safe its back to off after the igate has rebooted. <!-- github-comment-id:4128090531 -->
adam commented 2026-10-05 05:55:17 +02:00
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what version did you use for the flashing process? Lora32 + GPS (DIY) ???

what version did you use for the flashing process? Lora32 + GPS (DIY) ??? <!-- github-comment-id:4128281386 -->
adam commented 2026-10-05 05:55:18 +02:00
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Morning.
Oh sorry! My misstake.
With the right version the GPS stays to on.

But you write GPS is on pin12, 34.
I use the (dont know the right word) rount mount for the GPS antenna. Like the same as the tracker uses.
Show the pic: https://www.dropbox.com/scl/fi/9o0s0p4pcyx9gyzbd93ff/IMG_20260326_065857.jpg?rlkey=cgvv19cm0gco8nq1gvy73r2yl&st=rqx2w0xy&dl=0

The board indicates with the red LED on the right down side that gps signal is found.
But the igate display 0 sattelites and the position stays on long, lat 0, 0

Can you insert in the code that the antenna with the small round plug is used to set the position (like same way as in the tracker firmware)?

Morning. Oh sorry! My misstake. With the right version the GPS stays to on. But you write GPS is on pin12, 34. I use the (dont know the right word) rount mount for the GPS antenna. Like the same as the tracker uses. Show the pic: https://www.dropbox.com/scl/fi/9o0s0p4pcyx9gyzbd93ff/IMG_20260326_065857.jpg?rlkey=cgvv19cm0gco8nq1gvy73r2yl&st=rqx2w0xy&dl=0 The board indicates with the red LED on the right down side that gps signal is found. But the igate display 0 sattelites and the position stays on long, lat 0, 0 Can you insert in the code that the antenna with the small round plug is used to set the position (like same way as in the tracker firmware)? <!-- github-comment-id:4132112668 -->
adam commented 2026-10-05 05:55:18 +02:00
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hi, I don't get why you send me a T-Beam (not a T-Lora32 picture)

I used the same pinout of the Tracker DIY version with T-Lora32 DIY (+GPS) board.

hi, I don't get why you send me a T-Beam (not a T-Lora32 picture) I used the same pinout of the Tracker DIY version with T-Lora32 DIY (+GPS) board. <!-- github-comment-id:4133672524 -->
adam commented 2026-10-05 05:55:19 +02:00
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Im stupid ... sorry! with the right version for the right board ist works all fine...
Sorry again!

Im stupid ... sorry! with the right version for the right board ist works all fine... Sorry again! <!-- github-comment-id:4133769085 -->
adam commented 2026-10-05 05:55:19 +02:00
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Does it work completly

Gps readings work and all?

Does it work completly Gps readings work and all? <!-- github-comment-id:4133787576 -->
adam commented 2026-10-05 05:55:20 +02:00
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yes, i cant find any things they are not working. But im only at home at the moment and not outside with the gate und tracker.

yes, i cant find any things they are not working. But im only at home at the moment and not outside with the gate und tracker. <!-- github-comment-id:4133854555 -->
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Reference: adam/LoRa_APRS_iGate#263