This project demonstrates the use of an STM32 NUCLEO-F401RE development board in conjunction with an Arduino Multifunction Shield to implement a Real-Time Clock (RTC) and Analog Voltage Display system ...
URL=https://www.st.com/content/st_com/en/products/evaluation-tools/product-evaluation-tools/mcu-mpu-eval-tools/stm32-mcu-mpu-eval-tools/stm32-nucleo-boards/nucleo ...