• I have a project circuit I want to build. This comes from an old (1950's) horse derby game I want to build for home.

    Like a pinball machine, the ball is shot up and falls into one of 3 lanes each has rollover switches. One lane has one switch, one has two switches and one has three rollover switches.

    Every time the ball rolls over the switch, a wallboard with a horse advances one, two or the lights/spaces. There are 24 lights. This continues until the lights reach the end and a winner is declared.

    How do I make LED lights advance across the wallboard? I can't find any info about circuits to explain how to turn the lights on and leave them on until the game ends. After two years of searching, I'm asking for help. Thanks in advance. Mike

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