I have setup my NUCLEO-446RE as my transmitter and it works fine, But i am not able to read any data at the Receiver i.e. the blue pill. Main things i noted are: -> The MISO pin in any stm32F4 MCU has a function of "Alternate Function push pull" with...

I want to monitor my 4.2V battery and cant find any MCU which can convert such high voltage . It will be even better if it has differential ADC [can do 1.5-4.5].Previously tries STM32F303C8T6 but all the ADC pins are only 3.3V Tolerant. Its my first ...