ARK FPV Flight Controller Top
ARK FPV Flight Controller Bottom
UART Connector PX4 name Nuttx tty USART1 GPS GPS1 /dev/ttyS0 USART2 VTX Telem3 /dev/ttyS1 USART3 Debug Debug /dev/ttyS2 UART4 PWM UART4 /dev/ttyS3 UART5 VTX Telem2 /dev/ttyS4 USART6 RC USART6 /dev/ttyS5 UART7 Telem Telem1 /dev/ttyS6
Pin Number Signal Name Voltage 1 VBAT IN 5.5V-54V 2 CURR_IN_EXT 3.3V 3 UART4_RX_EXT 3.3V 4 FMU_CH1_EXT 3.3V 5 FMU_CH2_EXT 3.3V 6 FMU_CH3_EXT 3.3V 7 FMU_CH4_EXT 3.3V 8 GND GND
Pin Number Signal Name Voltage 1 5.0V 5.0V 2 USART6_RX_IN_EXT 3.3V 3 USART6_TX_OUTPUT_EXT 3.3V 4 GND GND
PWM EXTRA - 6 Pin JST-SH
Pin Number Signal Name Voltage 1 FMU_CH5_EXT 3.3V 2 FMU_CH6_EXT 3.3V 3 FMU_CH7_EXT 3.3V 4 FMU_CH8_EXT 3.3V 5 FMU_CH9_EXT 3.3V 6 GND GND
Pin Number Signal Name Voltage 1 12.0V 12.0V 2 GND GND 3 VBAT IN/OUT 5.5V-54V
Pin Number Signal Name Voltage 1 5.0V 5.0V 2 CAN1_P 5.0V 3 CAN1_N 5.0V 4 GND GND
Pin Number Signal Name Voltage 1 5.0V 5.0V 2 USART1_TX_GPS1_EXT 3.3V 3 USART1_RX_GPS1_EXT 3.3V 4 I2C1_SCL_GPS1_EXT 3.3V 5 I2C1_SDA_GPS1_EXT 3.3V 6 GND GND
Pin Number Signal Name Voltage 1 5.0V 5.0V 2 UART7_TX_TELEM1_EXT 3.3V 3 UART7_RX_TELEM1_EXT 3.3V 4 UART7_CTS_TELEM1_EXT 3.3V 5 UART7_RTS_TELEM1_EXT 3.3V 6 GND GND
Pin Number Signal Name Voltage 1 12.0V 12.0V 2 GND GND 3 UART5_TX_TELEM2_EXT 3.3V 4 UART5_RX_TELEM2_EXT 3.3V 5 USART2_RX_TELEM3_EXT 3.3V 6 GND GND
SPI (OSD or IMU) - 8 Pin JST-SH Pin Number Signal Name Voltage 1 5.0V 5.0V 2 SPI6_SCK_EXT 3.3V 3 SPI6_MISO_EXT 3.3V 4 SPI6_MOSI_EXT 3.3V 5 SPI6_nCS1_EXT 3.3V 6 SPI6_DRDY1_EXT 3.3V 7 SPI6_nRESET_EXT 3.3V 8 GND GND
Flight Controller Debug - 6 Pin JST-SH Pin Number Signal Name Voltage 1 3V3_FMU 3.3V 2 USART3_TX_DEBUG 3.3V 3 USART3_RX_DEBUG 3.3V 4 FMU_SWDIO 3.3V 5 FMU_SWCLK 3.3V 6 GND GND
