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Pixhawk Baseboards

Pixhawk Baseboards Pixhawk Mini Baseboard Ports

This baseboard is compatible with both Pixhawk 5X & 6X, and any flight controller that follow the Pixhawk Autopilot Bus Standard.

FMU PWM OUT = AUX OUT
I/O PWM OUT = MAIN OUT
Refer to this diagram for location of pin1. All connectors are JST GH 1.25 mm Pitch unless noted otherwise.

Power1 Port (2.00mm Pitch CLIK-Mate)

Pin
Signal
Volt
1(red)
VDD5V_BRICK1/2
+5V
2(black)
VDD5V_BRICK1/2
+5V
3(black)
SCL1/2
+3.3V
4(black)
SDA1/2
+3.3V
5(black)
GND
GND
6(black)
GND
GND

Telem1, Telem2 ports

Pin
Signal
Volt
1(red)
VCC
+5V
2(black)
TX7/5/2 (out)
+3.3V
3(black)
RX7/5/2 (in)
+3.3V
4(black)
CTS7/5/2 (in)
+3.3V
5(black)
RTS7/5/2 (out)
+3.3V
6(black)
GND
GND

GPS 1 Port

Pin
Signal
Volt
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)
VDD_3V3
+3.3V
9(black)
BUZZER-
0~5V
10(black)
GND
GND

GPS 2 Port

Pin
Signal
Volt
1(red)
VCC
+5V
2 black)
TX8(out)
+3.3V
3(black)
RX8(in)
+3.3V
4(black)
SCL2
+3.3V
5(black)
SDA2
+3.3V
6(black)
GND
GND

CAN1 port

Pin
Signal
Volt
1(red)
VCC
+5V
2(black)
CANH1/2
+3.3V
3(black)
CANL1/2
+3.3V
4(black)
GND
GND

I2C Port

Pin
Signal
Volt
1(red)
VCC
+5V
2(black)
SCL3
+3.3V
3(black)
SDA3
+3.3V
4(black)
GND
GND

Eth Port

Pin
Signal
Volt
1(red)
RXN
+3.3V
2(black)
RXP
+3.3V
3(black)
TXN
+3.3V
4(black)
TXP
+3.3V

DSM RC Port (JST-ZH 1.5mm Pitch)

Pin
Signal
Volt
1(yellow)
VDD_3V3_SPEKTRUM
+3.3V
2(black)
GND
GND
3(gray)
DSM/SPEKTRUM IN
+3.3V

SBUS RC port

Pin
Signal
Volt
1
VDD_5V _RC
+3.3V
2
SBUS/PPM in
+5V
3
NC
—
4
SBUS_OUT/RSSI_IN
+3.3V
5
GND
GND

IO Debug Port (JST-SH 1mm Pitch)

Pin
Signal
Volt
1(red)
IO_VDD_3V3
+3.3V
2 black)
IO_USART1_TX
+3.3V
3(black)
NC
—
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

FMU Debug Port (JST-SH 1mm Pitch)

Pin
Signal
Volt
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

FMU PWM OUT (AUX 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 (MAIN 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

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