Update
Updating database... Please wait.
Tuesday 13 March 2018 at 14:21
I personally use an excel spreadsheet. I also have a big dry erase board I plan on using in the garage for the bigger projects.
Source: http://pinside.com/pinball/forum/topic/using-post-it-notes-for-my-machine-to-do-list-is-there-a-better-way#post-4278285