Pinout
Last updated
Last updated
© 2024 Holybro. All rights reserved.
Pin
Function
9V
9V for HD System or other VTX
SDA, SCL
I2C connection (for peripherals)
5v
5v output (1.5A max)
3v3
3.3v output (0.25A max)
Vi
Video input from FPV camera
Vo
Video output to video transmitter
CAM
To camera OSD control
G or GND
Ground
RSI
Analog RSSI (0-3.3v) input from receiver
R3, T3
UART3 RX and TX
R4, T4
UART4 RX and TX
R6, T6
UART6 RX and TX (UART6 RX is located in the GH plug)
LED
WS2182 addressable LED signal wire
Z-
Piezo buzzer negative leg
Function
B+
Battery positive voltage (2S-8S)
R7
UART7 RX
GND
Ground
CURRENT
CURRENT
M1
Motor signal output 1
M2
Motor signal output 2
M3
Motor signal output 3
M4
Motor signal output 4
Function
B+
Battery positive voltage (2S-8S)
R7
UART7 RX
GND
Ground
NC
NC
M5
Motor signal output 5
M6
Motor signal output 6
M7
Motor signal output 7
M8
Motor signal output 8
VTX Port
Function
9V
9V for HD System or other VTX
G
Ground
T1
UART1 TX
R1
UART1 RX
G
Ground
R6
UART6 RX
