Waveshare Cortex-M4 Development Board with L476RGT6 MCU Designed for STM32L4 Series Supports

This board provides an affordable and flexible way for users to try out new ideas and build prototypes with any microcontroller line for STM32, choosing from the various combinations of performance, power consumption and features.
With the comprehensive software HAL library for STM32 together with various packaged software examples, as well as direct access to mbed online resources.
Onboard ST-LINK/V2-1 debugger/programmer with SWD connector, selection-mode switch to use the kit as a standalone ST-LINK/V2-1.
Flexible board power supply: USB VBUS or external source(3.3 V, 5 V, 7 - 12 V), Power management access point; Two push buttons: USER and RESET. Three LEDs: USB communication (LD1), user LED (LD2), power LED (LD3).
USB re-enumeration capability: three different interfaces supported on USB (Virtual Com port, Mass storage, Debug port).