STM32L475 STM's STM32L475 Board Images Some Important Links Data Brief User Manual Reference Manual DataSheet Schematics Additional Links Mouser Product Link 3rd Party Docs Discovery Kits UM CubeAI Notes 3rd Party Training PDF Important Pins Functionality Pin Number LED1 PA5 LED2 PB14 LED3-LED4 PC9 Basic Project 001_LED_Blink 002_LED_ALL 003_LED_Button 004_UART_Tx 005_UART_TxRx