RL-GNSS-001 · Navigation · KAMAL NAV GM1
Pinout
JST SH flight-controller connector pin order and the purpose of each UART and I2C signal.
Published May 4, 2026Updated May 9, 2026Reading time ~15 min
01Connector orientation#
The flight-controller interface is a 6-pin JST SH 1.0 mm connector. UART lines connect to the GNSS receiver. I2C lines connect to the magnetometer. Always confirm the cable orientation before applying power.
02Pinout figure#
KAMAL NAV
5VGNDRXTXSDASCL
03Pin functions#
| Pin | Name | Function |
|---|---|---|
| 1 | 5V | 5 V supply input for GNSS and magnetometer rails |
| 2 | GND | Ground reference shared with the flight controller |
| 3 | RX | GNSS UART input. Connect to flight-controller TX |
| 4 | TX | GNSS UART output. Connect to flight-controller RX |
| 5 | SDA | I2C data for the MMC5983MA magnetometer |
| 6 | SCL | I2C clock for the MMC5983MA magnetometer |