FlyCore-FC Interfaces and Pin Definitions
This appendix describes the FlyCore FC board interfaces and pin order and applies to both PX4 and ArduPilot firmware.
1 min read · English documentationThis appendix describes the FlyCore-FC board interfaces and pin order and applies to both PX4 and ArduPilot firmware.
Wiring Warning:
Before making or connecting a wiring harness, verify the connector viewing orientation, Pin 1 position, and peripheral-side pin order. Do not connect or disconnect power cables while powered; cross-connect the serial TX/RX lines and ensure a reliable common ground.
Interface Layout
CAN1
| Pin | Signal |
|---|---|
| 1 | CAN_L |
| 2 | CAN_H |
| 3 | GND |
| 4 | VCC |
GPS2
| Pin | Signal |
|---|---|
| 1 | RX |
| 2 | TX |
| 3 | GND |
| 4 | VCC |
TELEM3
| Pin | Signal |
|---|---|
| 1 | RX |
| 2 | TX |
| 3 | GND |
| 4 | VCC |
I2C1
| Pin | Signal |
|---|---|
| 1 | SDA |
| 2 | SCL |
| 3 | GND |
| 4 | VCC |
I2C4
| Pin | Signal |
|---|---|
| 1 | SDA |
| 2 | SCL |
| 3 | GND |
| 4 | VCC |
PWM Main Connector
| Pin | Signal |
|---|---|
| 1 | GND |
| 2 | BUZZER |
| 3 | FMU_CH8 |
| 4 | FMU_CH7 |
| 5 | FMU_CH6 |
| 6 | FMU_CH5 |
| 7 | FMU_CH4 |
| 8 | FMU_CH3 |
| 9 | FMU_CH2 |
| 10 | FMU_CH1 |
TELEM2
| Pin | Signal |
|---|---|
| 1 | GND |
| 2 | RX |
| 3 | TX |
RTK COM2
| Pin | Signal |
|---|---|
| 1 | RX |
| 2 | TX |
| 3 | GND |
| 4 | PPS |
Power + CAN2
| Pin | Signal |
|---|---|
| 1 | GND |
| 2 | VCC |
| 3 | CAN_L |
| 4 | CAN_H |
Fan Power
| Pin | Signal |
|---|---|
| 1 | GND |
| 2 | VCC |
