CANL431 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 FlashCAN transceiver data rates up to 5 Mbit/s in the CAN fast phase1x CAN, DroneCAN Protocol (2x 4P connectors in parallel)3x UARTsUART1, spareUART2, MSP default, DFUUART3, GPS default1x I2Cfor peripheral Airspeed sensorfor peripheral Barometer1x SPIfor peripheral RM31004x ADCBATT_VOLT, PIN 5BATT_CURR, PIN 6BATT2_VOLT, PIN 15BATT2_CURR, PIN 165x PWM outputs1x GPIO with TIM16 for buzzer debug, SWCLK & SWDIOLEDBlue, Fast blinking, BootingBlue, Slow blinking, workingRed, 3.3V indicatorInput voltage range: 4.5~5.5V @5V pad/pinPower consumption: 40mAOperating Temperatures: 20~80 CPhysical2x JST4P(SM04BTB) for CAN1x JST4P(SM04BTB) for I2C1x JST6P(SM06BTB) for UART3+I2CFirmware AP_Periph MatekL431Periph, or MatekL431AirspeedUpdate via DroneCAN GUI ToolDue to different product batches, the appearance , which does not affect the useColour:BlueMaterial:Composite MaterialsSize:26x26mmPackage Contents:1x CANL431 board1x JST4P to JST4P 20cm silicon wire1x JST6P to JST6P 20cm silicon wireOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/ 13cm.