These are boards I reverse engineer for my own understading. Not sure if sharing this info via github repos is t he way to go, but let's give it a try.
Whenever possible, attribution to the board's creator will be given. Many of these tiny boards I buy are some kind cheap clone or nameless knockoff. These will be "by unknown". If anyone knows the origin of a baord covered here, please create an issue with the attribution or anecdotes.
- https://www.amazon.com/High-Power-Transistor-Driving-Controller-Electronic/dp/B07XJSRY6B/ref=sr_1_3?dchild=1&keywords=24v+4+motor+driver+circuit&qid=1630043609&sr=8-3
- http://www.gammon.com.au/motors
- 【Arduino教學】超簡易控制RGB燈條，意想不到的簡易方法控制燈條!
- https://www.aliexpress.com/item/1005002625530790.html?spm=a2g0o.productlist.0.0.57346d2eDC6m1G&algo_pvid=7c26ba4d-6c0c-46d4-b507-89ab0760af4b&algo_exp_id=7c26ba4d-6c0c-46d4-b507-89ab0760af4b-29
- https://www.aliexpress.com/item/1005002604582071.html?spm=a2g0o.productlist.0.0.57346d2eDC6m1G&algo_pvid=7c26ba4d-6c0c-46d4-b507-89ab0760af4b&algo_exp_id=7c26ba4d-6c0c-46d4-b507-89ab0760af4b-30
- https://www.ebay.com.au/itm/402505742132?hash=item5db7363734:g:fxYAAOSwY3hfj-gF