ARK Pixhawk Autopilot Bus Carrier
::: warning
PX4 does not manufacture this (or any) autopilot.
Contact the manufacturer for hardware support or compliance issues.
:::
The ARK Pixhawk Autopilot Bus (PAB) Carrier is a USA-built flight controller carrier board, based on the Pixhawk Autopilot Bus open source standard.
The PAB form factor enables the ARK PAB Carrier to be used with any PAB-compatible flight controller, such as the ARKV6X.

Where To Buy
Order From Ark Electronics (US)
Features
Connectors
- PAB Board to Board Interface
- 100 Pin Hirose DF40
- 40 Pin Hirose DF40
- Dual Digital Power Module Inputs
- 5V Input
- I2C Power Monitor
- 6 Pin Molex CLIK-Mate
- Ethernet
- 100Mbps
- Built in Magnetics
- 4 Pin JST-GH
- Full GPS Plus Safety Switch Port
- Basic GPS Port
- Dual CAN Ports
- Triple Telemetry Ports with Flow Control
- Eight PWM Outputs
- UART/I2C Port
- I2C Port
- PPM RC Port
- DSM RC Port
- SPI Port
- ADIO Port
- Debug Port
Dimensions
- Without Flight Controller Module
- 74.0mm x 43.5mm x 12.0mm
- 22g
Power
- 5V input on
POWER1, POWER2, USB C, and the USB JST-GH connector
- Input is prioritized in the following order: POWER1 > POWER2 > USB
USB C and the USB JST-GH are in parallel
- Overvoltage protection at 5.8V
- Undervoltage protection at 3.9V
VDD_5V_HIPOWER and VDD_5V_PERIPH can each provide a total of 1.5A across all the connectors
LEDS
- There are two LEDs on the ARK PAB
Red is the ethernet power LED
Green is the ethernet activity LED
Pinout

POWER1
| Pin |
Signal |
Volt |
| 1 (red) |
VBRICK1 |
+5.0V |
| 2 (blk) |
VBRICK1 |
+5.0V |
| 3 (blk) |
I2C1_SCL |
+3.3V |
| 4 (blk) |
I2C1_SDA |
+3.3V |
| 5 (blk) |
GND |
GND |
| 6 (blk) |
GND |
GND |
POWER2
| Pin |
Signal |
Volt |
| 1 (red) |
VBRICK2 |
+5.0V |
| 2 (blk) |
VBRICK2 |
+5.0V |
| 3 (blk) |
I2C2_SCL |
+3.3V |
| 4 (blk) |
I2C2_SDA |
+3.3V |
| 5 (blk) |
GND |
GND |
| 6 (blk) |
GND |
GND |
PWM
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_SERVO (Not Connected) |
+5.0V |
| 2 (blk) |
FMU_CH1 |
+3.3V |
| 3 (blk) |
FMU_CH2 |
+3.3V |
| 4 (blk) |
FMU_CH3 |
+3.3V |
| 5 (blk) |
FMU_CH4 |
+3.3V |
| 6 (blk) |
FMU_CH5 |
+3.3V |
| 7 (blk) |
FMU_CH6 |
+3.3V |
| 8 (blk) |
FMU_CH7 |
+3.3V |
| 9 (blk) |
FMU_CH8 |
+3.3V |
| 10 (blk) |
GND |
GND |
GPS1
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_5V_PERIPH |
+5.0V |
| 2 (blk) |
USART1_TX_GPS1 |
+3.3V |
| 3 (blk) |
USART1_RX_GPS1 |
+3.3V |
| 4 (blk) |
I2C1_SCL |
+3.3V |
| 5 (blk) |
I2C1_SDA |
+3.3V |
| 6 (blk) |
nSAFETY_SWITCH_IN |
+3.3V |
| 7 (blk) |
nSAFETY_SWITCH_LED_OUT |
+3.3V |
| 8 (blk) |
3V3_FMU |
+3.3V |
| 9 (blk) |
BUZZER |
+5.0V |
| 10 (blk) |
GND |
GND |
GPS2
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_5V_HIPOWER |
+5.0V |
| 2 (blk) |
UART8_TX_GPS2 |
+3.3V |
| 3 (blk) |
UART8_RX_GPS2 |
+3.3V |
| 4 (blk) |
I2C2_SCL |
+3.3V |
| 5 (blk) |
I2C2_SDA |
+3.3V |
| 6 (blk) |
GND |
GND |
TELEM1
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_5V_HIPOWER |
+5.0V |
| 2 (blk) |
UART7_TX |
+3.3V |
| 3 (blk) |
UART7_RX |
+3.3V |
| 4 (blk) |
UART7_CTS |
+3.3V |
| 5 (blk) |
UART7_RTS |
+3.3V |
| 6 (blk) |
GND |
GND |
TELEM2
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_5V_PERIPH |
+5.0V |
| 2 (blk) |
UART5_TX |
+3.3V |
| 3 (blk) |
UART5_RX |
+3.3V |
| 4 (blk) |
UART5_CTS |
+3.3V |
| 5 (blk) |
UART5_RTS |
+3.3V |
| 6 (blk) |
GND |
GND |
TELEM3
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_5V_HIPOWER |
+5.0V |
| 2 (blk) |
USART2_TX |
+3.3V |
| 3 (blk) |
USART2_RX |
+3.3V |
| 4 (blk) |
USART2_CTS |
+3.3V |
| 5 (blk) |
USART2_RTS |
+3.3V |
| 6 (blk) |
GND |
GND |
UART4/I2C3
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_5V_PERIPH |
+5.0V |
| 2 (blk) |
UART4_TX |
+3.3V |
| 3 (blk) |
UART4_RX |
+3.3V |
| 4 (blk) |
I2C3_SCL |
+3.3V |
| 5 (blk) |
I2C3_SDA |
+3.3V |
| 6 (blk) |
GND |
GND |
I2C3
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_5V_PERIPH |
+5.0V |
| 2 (blk) |
I2C3_SCL |
+3.3V |
| 3 (blk) |
I2C3_SDA |
+3.3V |
| 4 (blk) |
GND |
GND |
CAN1
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_5V_HIPOWER |
+5.0V |
| 2 (blk) |
CAN1_H |
+3.3V |
| 3 (blk) |
CAN1_L |
+3.3V |
| 4 (blk) |
GND |
GND |
CAN2
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_5V_PERIPH |
+5.0V |
| 2 (blk) |
CAN2_H |
+3.3V |
| 3 (blk) |
CAN2_L |
+3.3V |
| 4 (blk) |
GND |
GND |
USB
All signals in parallel with USB C connector
| Pin |
Signal |
Volt |
| 1 (red) |
VBUS_IN |
+5.0V |
| 2 (blk) |
USB_N |
+3.3V |
| 3 (blk) |
USB_P |
+3.3V |
| 4 (blk) |
GND |
GND |
ETH
| Pin |
Signal |
Volt |
| 1 (red) |
ETH_RD_N |
+50.0V Tolerant |
| 2 (blk) |
ETH_RD_P |
+50.0V Tolerant |
| 3 (blk) |
ETH_TD_N |
+50.0V Tolerant |
| 4 (blk) |
ETH_TD_P |
+50.0V Tolerant |
ADIO
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_5V_PERIPH |
+5.0V |
| 2 (blk) |
FMU_CAP |
+3.3V |
| 3 (blk) |
BOOTLOADER |
+3.3V |
| 4 (blk) |
FMU_RST_REQ |
+3.3V |
| 5 (blk) |
nARMED |
+3.3V |
| 6 (blk) |
ADC1_3V3 |
+3.3V |
| 7 (blk) |
ADC1_6V6 |
+3.3V |
| 8 (blk) |
GND |
GND |
RC/SBUS
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_5V_SBUS_RC |
+5.0V |
| 2 (blk) |
USART6_RX_SBUS_IN |
+3.3V |
| 3 (blk) |
USART6_TX |
+3.3V |
| 4 (blk) |
VDD_3V3_SPEKTRUM |
+3.3V |
| 5 (blk) |
GND |
GND |
PPM
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_5V_PPM_RC |
+5.0V |
| 2 (blk) |
DSM_INPUT/FMU_PPM_INPUT |
+3.3V |
| 3 (blk) |
GND |
GND |
DSM
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_3V3_SPEKTRUM |
+3.3V |
| 2 (blk) |
GND |
GND |
| 3 (blk) |
DSM_INPUT/FMU_PPM_INPUT |
+3.3V |
SPI6
| Pin |
Signal |
Volt |
| 1 (red) |
VDD_5V_PERIPH |
+5.0V |
| 2 (blk) |
SPI6_SCK |
+3.3V |
| 3 (blk) |
SPI6_MISO |
+3.3V |
| 4 (blk) |
SPI6_MOSI |
+3.3V |
| 5 (blk) |
SPI6_nCS1 |
+3.3V |
| 6 (blk) |
SPI6_nCS2 |
+3.3V |
| 7 (blk) |
SPIX_nSYNC |
+3.3V |
| 8 (blk) |
SPI6_DRDY1 |
+3.3V |
| 9 (blk) |
SPI6_DRDY2 |
+3.3V |
| 10 (blk) |
SPI6_nRESET |
+3.3V |
| 11 (blk) |
GND |
GND |
Debug Port
The PX4 System Console and SWD interface run on the FMU Debug port.
The pinouts and connector comply with the Pixhawk Debug Full interface defined in the Pixhawk Connector Standard interface (JST SM10B connector).
| Pin |
Signal |
Volt |
| 1 (red) |
Vtref |
+3.3V |
| 2 (blk) |
Console TX (OUT) |
+3.3V |
| 3 (blk) |
Console RX (IN) |
+3.3V |
| 4 (blk) |
SWDIO |
+3.3V |
| 5 (blk) |
SWCLK |
+3.3V |
| 6 (blk) |
SWO |
+3.3V |
| 7 (blk) |
NFC GPIO |
+3.3V |
| 8 (blk) |
PH11 |
+3.3V |
| 9 (blk) |
nRST |
+3.3V |
| 10 (blk) |
GND |
GND |
For information about using this port see:


See Also