Layout / Pinmap
Video
output
GND
GND
TX3
Boot0
Camera
Control
M4
M3
M2
M1
TLM
Curr
ent
VBA
T
GND
S.Port
SmartAudio
Tramp
RX
Buzzer -
5V
5V
RX3
LED
TX4
5V
RX4
GND
SCL
SDA
Video
Input
SBUS
VTX
Power
3.3V
Camera
Power
5V
VTX
GND
GND
Camera
GND
GND
BUZZER
WS2812 LED
GPS(IIC+UART)
Crossfire
VTX
DSM RX
Camera
4in1 ESC
Camera