In Klipper, once a [board_pins] is defined, the aliases are used in all sections to make them more readable (official board_pins Klipper documentation). I use this mechanism extensively on a two-level ...

Sharpen your senses and Test your sensor! For this client we are using an Adafruit sensor DHT22. This is a popular device that is reasonably accurate for a low price. You can find some information on ...