Coin Doors
A coin door can be added to your arcade cabinet purely as a decoration, or for functionality.
It is posslble to wire up a coin door with switches and interface them to a keyboard encoder. The encoder sends a signal that corresponds to the "credit" command. This allows a coin to act as it would in a real machine. Most coin doors have the same type of switch as a normal arcade button which makes it simple to wire it up to your encoder.
You can also wire up the lights on your coin door by taking 5V or 12V power from your PC and running it to the light bulbs on the door. Additionally, many people modify coin doors to use LEDs instead of incandescent bulbs. The reason for this is the available colors and longetivity. LEDs will last a hundred times longer than incandescent bulbs. Many people utilize 5V or 12V LEDs with resistors and connect the LEDs bulbs to the PC Molex Connector. Ensure the voltage on the positive side of the Molex connector matches the voltage of your LED or Incandescent bulb.
Coin Counters
Coin Counters can be easily wired between a single coin acceptor. Simply wire Ground on your microswitch to the 5V line on your counter. Then wire the Ground on your Counter to your encoder ground.
Alternatively to wire up all your coin acceptors/buttons you'll need to put diodes between your encoder and each microswitch. A diagram on how to wire a coin counter at TheNasty's website.
See Also
References
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