Bill is a fantastic source for everything that has to do with electronics projects and arduino/raspberry pis and all things robotics related!
He has a very easy going style and explains things in a cyrstal clear style using closeups, easy to follow lanuage and titling words on the screen.
You will certainly return to his site time after time. Find Dronebot Workshop on Youtube here. https://www.youtube.com/c/Dronebotworkshop1/featured
(under construction Nov 1 2021)