Neo-M8U on Teensy 4.1 via I2C only 5Hz max

[PaulZC]

Hi @NigeP ,

Please see this topic. I suspect you’re having the same issue… The solution should be to disable NMEA on UART1.

GPS NEO-M9N PVT speed

I’m running this GPS with an Arduino RP2040, and I think the GPS is fine. While the following code snippet normally runs in 1100-1300 ms, it’s occasionally 3500 ms or more. What do I need to do to prevent the extra wait? The setup is straight from Example 1. /begin snippet int PDOP = 1000; while (PDOP > 250) { // latitude == 0 | longitude == 0) { Serial.print("Waiting for GPS lock "); Serial.println(millis()); if (myGNSS.getPVT() && (myGNSS.getInvalidLlh() == false)) { latitude = myGNSS.getLatitude(); longitude = myGNSS.getLongitude(); PDOP = myGNSS.getPDOP(); } delay(1000); } /end snippet Thank you!

Hope this helps,
Paul