Dmitry Ovcharov

Just understood that I can use TX2, RX2 (PA2, PA3) pins on SKR mini E3 board (in case I don't use TFT screen), or Servos (PA1) pin as ADC-IN. https://yandex.ru/images/pad/search?text=stm32rct6%20pinout&img_url=https%3A%2F%2Fwww.mikrocontroller.net%2Fattachment%2F50626%2FSTM32F103xx_LQFP64_pinout.PNG&pos=0&rpt=simage&stype=image&lr=146&source=wiz...

This. Is. It! My sincere gratitude to you, kind sir!

Not yet. My SKR mini E3 board is still being shipped to me. I will get it in 2 weeks. I will reply here once I try PT100 with it....

@GadgetAngel, I have a question. If I use MAX31865 board, there are 2 modes available - hardware SPI and Software SPI. Which of two is better and why? I decided...