Pin 1 starts from the flight controllers “right side” like diagram below
Power1 & 2
|
Pin
|
Signal
|
Voltage
|
|
1(red)
|
VDD5V_BRICK1 (in)
|
+5V
|
|
2(black)
|
VDD5V_BRICK1 (in)
|
+5V
|
|
3(black)
|
CURRENT1
|
+3.3V
|
|
4(black)
|
VOLTAGE1
|
+3.3V
|
|
5(black)
|
GND
|
GND
|
|
6(black)
|
GND
|
GND
|
Telem 1 Port
|
Pin
|
Signal
|
Voltage
|
|
1(red)
|
VCC
|
+5V
|
|
2(black)
|
UART7_TX(out)
|
+3.3V
|
|
3(black)
|
UART7_RX(in)
|
+3.3V
|
|
4(black)
|
UART7_CTS(in)
|
+3.3V
|
|
5(black)
|
UART7_RTS(out)
|
+3.3V
|
|
6(black)
|
GND
|
GND
|
Telem 2 Port
|
Pin
|
Signal
|
Voltage
|
|
1(red)
|
VCC
|
+5V
|
|
2(black)
|
UART5_TX(out)
|
+3.3V
|
|
3(black)
|
UART5_RX(in)
|
+3.3V
|
|
4(black)
|
UART5_CTS(in)
|
+3.3V
|
|
5(black)
|
UART5_RTS(out)
|
+3.3V
|
|
6(black)
|
GND
|
GND
|
Telem 3 Port
|
Pin
|
Signal
|
Voltage
|
|
1(red)
|
VCC
|
+5V
|
|
2(black)
|
USART2_TX(out)
|
+3.3V
|
|
3(black)
|
USART2_RX(in)
|
+3.3V
|
|
4(black)
|
NOT CONNECTED*
|
–
|
|
5(black)
|
NOT CONNECTED*
|
–
|
|
6(black)
|
GND
|
GND
|
* For Pixhawk 6C with SN number
XXXX 001 XXXXXX (SN can be found on the packaging), Telem3 port is connected as follow:-
pin 4 -> I2C4_SCL (3.3V)
-
pin 5 -> I2C4_SDA (3.3V)
Do not connect Non-I2C device (such as telemetry radio) to telem3 pin 4 & 5 if you have this version.
GPS 1 Port
|
Pin
|
Signal
|
Voltage
|
|
1(red)
|
VCC
|
+5V
|
|
2 black)
|
TX1(out)
|
+3.3V
|
|
3(black)
|
RX1(in)
|
+3.3V
|
|
4(black)
|
SCL1
|
+3.3V
|
|
5(black)
|
SDA1
|
+3.3V
|
|
6(black)
|
SAFETY_SWITCH
|
+3.3V
|
|
7(black)
|
SAFETY_SWITCH_LED
|
+3.3V
|
|
8(black)
|
IO_VDD_3V3
|
+3.3V
|
|
9(black)
|
BUZZER-
|
0~5V
|
|
10(black)
|
GND
|
GND
|
GPS2 Port
|
Pin
|
Signal
|
Voltage
|
|
1(red)
|
VCC
|
+5V
|
|
2 black)
|
UART8_TX(out)
|
+3.3V
|
|
3(black)
|
UART8_RX(in)
|
+3.3V
|
|
4(black)
|
I2C2_SCL
|
+3.3V
|
|
5(black)
|
I2C2_SDA
|
+3.3V
|
|
6(black)
|
GND
|
GND
|
USB Port
|
Pin
|
Signal
|
Voltage
|
|
1(red)
|
VBUS
|
+5V
|
|
2(black)
|
DM
|
+3.3V
|
|
3(black)
|
DP
|
+3.3V
|
|
4(black)
|
GND
|
GND
|
I2C Port
|
Pin
|
Signal
|
Voltage
|
|
1(red)
|
VCC
|
+5V
|
|
2(black)
|
I2C2_SCL*
|
+3.3V
|
|
3(black)
|
I2C2_SDA*
|
+3.3V
|
|
4(black)
|
GND
|
GND
|
* For Pixhawk 6C with SN number
XXXX XXX 20221100 AND prior, (SN can be found on the packaging), I2C port is connected as follow:-
pin 2 -> I2C4_SCL (3.3V)
-
pin 3 -> I2C4_SDA (3.3V)
CAN1 & CAN2 Port
|
Pin
|
Signal
|
Voltage
|
|
1(red)
|
VCC
|
+5V
|
|
2(black)
|
CAN1_H
|
+3.3V
|
|
3(black)
|
CAN1_L
|
+3.3V
|
|
4(black)
|
GND
|
GND
|
DSM RC Port (JST-ZH 1.5mm)
|
Pin
|
Signal
|
Voltage
|
|
1(yellow)
|
VDD_3V3_SPEKTRUM
|
+3.3V
|
|
2(black)
|
GND
|
GND
|
|
3(gray)
|
DSM/SPEKTRUM IN
|
+3.3V
|
PPM/SBUS RC port
|
Pin
|
Signal
|
Voltage
|
|
1(null)
|
VDD_5V_PPM_SBUS
|
+5V
|
|
2(yellow)
|
PPM&SBUS_IN
|
+3.3V
|
|
3(null)
|
RSSI_IN
|
+3.3V
|
|
4(red)
|
(NOT CONNECTED)
|
—
|
|
5(black)
|
GND
|
GND
|
SBus Out Port
|
Pin
|
Signal
|
Voltage
|
|
1(red)
|
(NOT CONNECTED)
|
—
|
|
2(yellow)
|
SBUS_OUT
|
+3.3V
|
|
3(black)
|
GND
|
GND
|
FMU PWM Out
Pin
Signal
Voltage
|
1 (Red)
|
VDD_Servo
|
|
|
2 (Black)
|
FMU_CH1
|
+3.3V
|
|
3 (Black)
|
FMU_CH2
|
+3.3V
|
|
4 (Black)
|
FMU_CH3
|
+3.3V
|
|
5 (Black)
|
FMU_CH4
|
+3.3V
|
|
6 (Black)
|
FMU_CH5
|
+3.3V
|
|
7 (Black)
|
FMU_CH6
|
+3.3V
|
|
8 (Black)
|
FMU_CH7
|
+3.3V
|
|
9 (Black)
|
FMU_CH8
|
+3.3V
|
|
10(Black)
|
GND
|
GND
|
I/O PWM Out
Pin
Signal
Voltage
|
1 (Red)
|
VDD_Servo
|
|
|
2 (Black)
|
IO_CH1
|
+3.3V
|
|
3 (Black)
|
IO_CH2
|
+3.3V
|
|
4 (Black)
|
IO_CH3
|
+3.3V
|
|
5 (Black)
|
IO_CH4
|
+3.3V
|
|
6 (Black)
|
IO_CH5
|
+3.3V
|
|
7 (Black)
|
IO_CH6
|
+3.3V
|
|
8 (Black)
|
IO_CH7
|
+3.3V
|
|
9 (Black)
|
IO_CH8
|
+3.3V
|
|
10(Black)
|
GND
|
GND
|
FMU Debug Port (JST SH 1mm Pitch)
Pin
Signal
Voltage
|
1(red)
|
FMU_VDD_3V3
|
+3.3V
|
|
2 black)
|
FMU_USART3_TX
|
+3.3V
|
|
3(black)
|
FMU_USART3_RX
|
+3.3V
|
|
4(black)
|
FMU_SWD_IO
|
+3.3V
|
|
5(black)
|
FMU_SWD_CK
|
+3.3V
|
|
6(black)
|
SPI6_SCK_EXTERNAL1
|
+3.3V
|
|
7(black)
|
NFC_GPIO
|
+3.3V
|
|
8(black)
|
PH11
|
+3.3V
|
|
9(black)
|
FMU_nRST
|
+3.3V
|
|
10(black)
|
GND
|
GND
|
I/O Debug Port (JST SH 1mm Pitch)
Pin
Signal
Voltage
|
1(red)
|
IO_VDD_3V3
|
+3.3V
|
|
2 black)
|
IO_USART1_TX
|
+3.3V
|
|
3(black)
|
(NOT CONNECTED)
|
—
|
|
4(black)
|
IO_SWD_IO
|
+3.3V
|
|
5(black)
|
IO_SWD_CK
|
+3.3V
|
|
6(black)
|
IO_SWO
|
+3.3V
|
|
7(black)
|
IO_SPARE_GPIO1
|
+3.3V
|
|
8(black)
|
IO_SPARE_GPIO2
|
+3.3V
|
|
9(black)
|
IO_nRST
|
+3.3V
|
|
10(black)
|
GND
|
GND
|