Pickleball scoring and serving rules are fairly complicated! This project can be run by a bystander to help keep score - or by a player, using the Radio Control Makey-Makey https://scratch.mit.edu/projects/82722810/ Tap on the Red or Blue "Won Rally" buttons to say which team won the rally. The score and serving position will change as new information is entered. The Start button begins a new game. Press Start a second time to switch which team has the starting service. The Undo button deletes the last action - in case you enter information incorrectly. You can click on the players and enter a player name if you want
A summary of Pickleball Doubles service rules can be found here http://www.usapa.org/rules-summary/