NEO-M8N GPS module (GY-GPSV3-M8N) with ESP32
Supply 3.3-5 V
Bus GPIO
Measures position, time
Pins and ESP32 wiring
| Pin | Role | ESP32 pin | Notes |
|---|---|---|---|
| VCC | Power | 3V3 | |
| RX | Input (the ESP32 drives it) | D25 | UART: the part receives data here. Connect to an ESP32 TX pin |
| TX | Output (the part drives it) | D26 | UART: the part sends data here. Connect to an ESP32 RX pin (9600 baud) |
| GND | Ground | GND |
Suggested wiring for the 30-pin ESP32 DevKit, avoiding flash, input-only and strapping pins. BoardPilot checks it for you as you wire.
Sources
- u-blox NEO-M8 data sheet, UART default 9600 baud, NMEA output; concurrent GNSS
- GY-GPSV3-M8N board, Header VCC, RX, TX, GND. Some boards print the order reversed or add PPS: check the silkscreen
Try it in 3D in BoardPilot
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Part data: CC BY 4.0, free to reuse with credit to BoardPilot.