Some time ago… well actually ages ago I built this thing here:
And since everybody kept asking me to share schematics and stuff, I’ve put everything together into a nice PDF so people could try and do the same (hopefully better).
If you’re into this type of thing, you can check the pre-release version here. I’m fixing the last “bugs” in the text and will soon release the final version together with some CAD files for the panel, in case somebody needs a starting point.
Download PDF here:
If you have errors to report or there’s things you don’t understand, please let me know!