STM32 Nucleo-32 STM32L031K6 Development Board, Arduino Nano Connectivity

The STM32 featuring the Nucleo L011K4 development board is an easy way to provide an ultra-low power features and flexible way for developers to handle new conceptual design and its fast to design prototypes with the STM32 microcontroller. The STM32 Nucleo-32 boards do not require any separate probe as they integrate the ST-LINK/V2-1 debugger / programmer and it comes with the STM32 comprehensive software HAL library, together with various packaged software examples, as well as direct access to the ARM mbed Enabled on-line resources.
Features:

STM32 microcontrollers in 32-pin packages

Three LEDs:

USB communication (LD1), power LED (LD2), user LED (LD3)

Reset push-button

Board expansion connectors

Arduino Nano

Flexible power-supply options: ST-LINK USB VBUS or external sources

On-board ST-LINK/V2-1 debugger/programmer with USB re-enumeration capability: mass storage, virtual COM port, debug port

Support of a wide choice of Integrated Development Environments (IDEs) including IAR, Keil, GCC-based IDEs, ARM mbed

Relevant Resources:
STM32 Nucleo-32 board Product Specification
STM32 Nucleo-32 board User Manual
STM32L series – Ultra-low-power 32-bit MCUs Brochure