STMicroelectronics STM32 Nucleo-64 Board MCU Evaluation Board NUCLEO-U031R8

The STMicroelectronics STM32 Nucleo-64 board provides an affordable and flexible way for users to try out new concepts and build prototypes by choosing from the various combinations of performance and power consumption features provided by the STM32 microcontroller. For the compatible boards, the internal or external SMPS significantly reduces power consumption in Run mode.

1 user LED shared with ARDUINO
1 user and 1 reset push buttons
32.768 kHz crystal oscillator
Comprehensive free software libraries and examples available