DARTS SCOREBOARD: Must-have accessory for any dartboard set; Dry-erase scoreboard measures 15 in x 9 in and includes 2 magnetic dry-erase markers EASY INSTALLATION: Includes screws for drywall ...

So he added some hardware that lets him use Android as the scoreboard. To do this all he needs is the ability to detect when a dart has hit the board and what value was registered. The board is ...