This is the second version of the macropad that I made way back. 
It looks like I never uploaded it here, so here it is.

If you would like to support me: https://ko-fi.com/tinyboatproductions

For all the detail check out the video I made: 

Or take a look at this instructable: https://www.instructables.com/Programmable-Macropad-V2/