A fellow pinhead made these 4 and 6 ball optical ball through boards.
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A fellow pinhead made these 4 and 6 ball optical ball through boards. On my suggestion he added this feature lifted from modern Stern boards: it shows the opto statuses with LEDs. This is so damn handy in the WPC platform where going to the menus instantly kills the ongoing game, now I can quickly check what the ball trough status is if the game thinks we're a ball short. The boars have other upgrades as well, like getting rid of the huge resistors that shake themselves off the board.
The LEDs work in reverse, so a blocked opto turns off a LED. This 4 ball variant has 5 LEDs, as there's one extra to determine a ball feeder jam situation.
In the video balls are fed one by one into the ball trough and only the ball jam switch is not triggered after all 4 are in.
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R relay@relay.mycrowd.ca shared this topic
