Fangrui Product Details Can-l431 Is An Adapter Node Based On Arudpilot Ap_periph Firmware. With This Board, You Can Easily Utilize The Driver Library To Convert Supported Gnss, Compass, Barometer,airspeed Sensor, And Gpio Based (pwm, Buzzer/led Notify) Peripherals To Dronecan Bus Peripherals. Mcu: Stm32l431xc, 256kb Flash Can Ceiver Data Rates Up To 5 Mbit/s In The Can Fd Fast Phase 1x Can, Dronecan Protocol (2x Gh-4p Connectors In Parallel) 3x Uarts Uart1, Spare Uart2, Msp Default, Dfu Uart3, Gps Default 1x I2c For Peripheral Airspeed Sensor For Peripheral Barometer 1x Spi For Peripheral Rm3100 4x Adc Batt_volt, Pin 5 Batt_curr, Pin 6 Batt2_volt, Pin 15 Batt2_curr, Pin 16 5x Pwm Outputs 1x Gpio With Tim16 For Buzzer Debug, Swclk Swdio Led Blue, Fast Blinking, Booting Blue, Slow Blinking, Working Red, 3.3v Indicator Input Voltage Range: 4.5~5.5v @5v Pad/pin Power Consumption: 40ma Operating Temperatures: -20~80 C Physical 2x Jst-gh-4p(sm04b--tb) For Can 1x Jst-gh-4p(sm04b--tb) For I2c 1x Jst-gh-6p(sm06b--tb) For Uart3+i2c