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Today I put together a Heltec V3 with GT-U7 GPS-module and a 1S 600mAh lipo battery. I soldered the GT-U7 GPS-module to 3.3v, GND and pin 48 (tried 37 as well). As soon as I enter the pin number in ...
Upload the GPS_to_SD.ino sketch to your Arduino MKR ZERO. Ensure the GT-U7 GPS module is connected correctly. Let the device log GPS data automatically every 5 minutes ...
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