How pixels are driven in a parallel epaper with epdiy

This page will be created in several days, in sections, that will be slowly build while the code is analyzed. The basics have been outlined by Petteri in blog EssentialScrap

![eink_panel electrical schematic](https://github.com/user-attachments/assets/218cd56d-dc93-4559-b1fd-48d040bedb8c)

epdiy.readthedocs.io WiKi rev. 1.0.1 Last updated Sept, 2023. Firmware & Hardware: vroland WiKi: martinberlin & collaborators