GPS
RDDRONE-FMUK66 Rev. B had a conventional 6 pin GPS connector. On RDDRONE-FMUK66 Rev. C this has been replaced by the 10 pin connector used by the Pixhawk 4 and its GPS. The HoverGames drone kit will also include this GPS. The 10 pin connector also includes the pinout for an arming switch and a buzzer.
Pin | Signal | Voltage |
1 | VCC | +5.0V |
2 | UART TX | +3.3V |
3 | UART RX | +3.3V |
4 | I2C SCL | +3.3V |
5 | I2C SDA | +3.3V |
6 | SWITCH INPUT | +3.3V |
7 | SWITCH LED OUTPUT | +3.3V |
8 | 3V3 | +3.3V |
9 | BUZZER | +3.3V |
10 | GND | GND |
Rev. B (and older boards) are not supported anymore. This information is left for reference.
Pin | Signal | Voltage |
1 | VCC | +5.0V |
2 | UART TX | +3.3V |
3 | UART RX | +3.3V |
4 | I2C SCL | +3.3V |
5 | I2C SDA | +3.3V |
6 | GND | GND |
This GPS module was included in some older HoverGames drone kits. For some very old kits even the pinout had to be corrected, according to the table below. Note this is different from the RDDRONE-FMUK66 Rev. B (Dronecode) pinout.
The pinout below has been tested and validated with a ReadyToSky M8N generic GPS module.
Pin on NEO-M8N | Color | Signal | Voltage | Pin on FMU |
1 | Red | VCC | +5.0V | 1 |
2 | Black | GND | GND | 6 |
3 | Yellow | UART RX | +3.3V | 2 |
4 | Green | UART TX | +3.3V | 3 |
5 | White | I2C SDA | +3.3V | 5 |
6 | Orange | I2C SCL | +3.3V | 4 |
