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NMEA checksum mismatch #133

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opened 2026-10-27 09:34:42 +01:00 by adam · 2 comments
adam commented 2026-10-27 09:34:42 +01:00
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Hallo,
I'm using a Raspberry Pi 5 with the SX1262 XXXM LoRaWAN/GNSS HAT from Waveshare.
The GNSS receiver is using /dev/ttyAMA0 serial with 9600 baud

configuration is set to enable GPS, serial and the port

The GPS on the map is then reporting "NMEA checksum mismatch"

I checked that services like chrony are able to use GNSS to sync, so the GNSS hat is working. Chrony is disabled, so there should be no conflicting access to the serial device. "cat /dev/ttyAMA0" also shows that data is flowing

Hallo, I'm using a Raspberry Pi 5 with the SX1262 XXXM LoRaWAN/GNSS HAT from Waveshare. The GNSS receiver is using /dev/ttyAMA0 serial with 9600 baud configuration is set to enable GPS, serial and the port The GPS on the map is then reporting "NMEA checksum mismatch" I checked that services like chrony are able to use GNSS to sync, so the GNSS hat is working. Chrony is disabled, so there should be no conflicting access to the serial device. "cat /dev/ttyAMA0" also shows that data is flowing <!-- github-sync-id:5027456121 -->
adam closed this issue 2026-10-27 09:34:42 +01:00
adam commented 2026-10-27 09:34:43 +01:00
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Works now after update - Thanx !

Works now after update - Thanx ! <!-- github-comment-id:5157648109 -->
adam commented 2026-10-27 09:34:43 +01:00
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Great!

Great! <!-- github-comment-id:5164741410 -->
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Reference: adam/pyMC_Repeater#133