Pinout
Last updated
Last updated
© 2024 Holybro. All rights reserved.
Pin
Pin name
Function
1
5V
+5V voltage output (1A Max)
2
H
CAN1_H
3
L
CAN1_L
4
Gnd
Ground
Pin
Pin name
Function
1
5V
+5V voltage output (1A Max)
2
SCL
I2C2_SCL
3
SDA
I2C2_SDA
4
Gnd
Ground
Pin
Pin name
Function
1
5V
+5V voltage output (1A Max)
2
TXD
UART1_TXD
3
RXD
UART1_RXD
4
SCL
I2C1_SCL
5
SDA
I2C1_SDA
6
Gnd
Ground
Pin
Pin name
Function
1
3v3
3.3v output (0.25A max)
2
Boot
DFU Boot signal input
3
VBUS
5V USB VBUS input
4
D-
USB data-
5
D+
USB data+
6
Gnd
Ground
Pin
Function
BAT-IN
Connect to Battery positive
BAT-OUT
Connect to ESC positive
GND
Ground
Servo Power jumper
Open =6V(Default)
Shorted =8V
VTX Power jumper
Open =9V(Default)
Shorted =12V
Pin
Function
9V
Video transmitter positive voltage -9V/2A (Switchable to 12V by jumper)
Vx
Servo power output – 6V/6A (Switchable to 8V by jumper)
5v
5v output (2A)
3v3
3.3v output (0.25A)
IO1/IO2
PINIO1 and PINIO2
Vbat2
Battery2 Voltage Sense input (10~36V)
Curr2
Battery2 Current Sense input (0~3.3V)
Vo
Video output to video transmitter
CAM1/CAM2
Video input from FPV camera1/2
G or GND
Ground
RSI
Analog RSSI (0-3.3v) input from receiver
R2, T2
UART2 RX and TX
R3, T3
UART3 RX and TX
R5, T5
UART5 RX and TX
R6, T6
UART6 RX and TX
R7, T7
UART7 RX and TX
CTS, RTS
CTS, RTS for UART7
R8, T8
UART8 RX and TX
Buz+/Buz-
Piezo buzzer positive/negative leg
M1~M14
PWM1~PWM14 signal outputs