Tutorial: Super simple temperature controller

The idea is to use an adjustable voltage divider to set the desired temperature while a temperature dependent voltage divider provides feedback about the actual print bed temperature.
The idea is to use an adjustable voltage divider to set the desired temperature while a temperature dependent voltage divider provides feedback about the actual print bed temperature.
I’ve tried matplotlib which has a very convenient polar coordinate mode, but the output looked very wrong, so there must be a few mistakes
To process video files OpenCV has to be compiled with ffmpeg option. On Windows it was a bit of a fight until I found out about