Theory vs Practice (lemmygrad.ml)

The consequences
The first large major patch has just been released, with more than a 1000 fixes! .
Every time I do it makes me laugh!
Diaper change down at the pokey
I am powering a 5V microcontroller (arduino clone, atmega328p) using a 9V block and a buck converter. Now I want to let the microcontroller occasionally measure the battery voltage, so I can get an idea of how full it is....
Source: The fate of Isildur ( The Lord of the Rings ) (by Anato Finnstark - ArtStation)...
Source: Chris Hallbeck — Reflexes....