NUCLEO-L053R8 Nucleo-64 Development Board STMicroelectronics NUCLEO-L053R8 Nucleo-64 Development Board features the STM32G070RB MCU and supports Arduino and ST morpho connectivity. This STMicroelectronics board offers Arduino Uno V3 connectivity support, and the ST morpho headers allow easy expansion of the STM32 Nucleo open development platform functionality. The NUCLEO-L053R8 board comes with the STM32 comprehensive free software libraries, and examples are available with the STM32Cube MCU package. This board integrates the ST-LINK debugger/programmer, eliminating the need for a separate probe.