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Coin Door Hookup

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deepblue:

I just got a used coin door from a vendor on eBay, and have been toying with the idea of making it a "working" coin mechanism. I'm still new to the game a bit, and was curious if anyone was able to tell from this wiring view what I need to do in order to make it operable:



I get that I somehow need to connect a lead to the keyboard encoder that maps to "insert coin"...but can anyone give me some advice on which lead that is? Do I need to power the coin door?

Thanks.

GAJoe:

There are two microswitches that need to be hooked up.  I've circled them in red in your picture:



There are normally three terminals on the switch.  A ground, a normally open (NO), and a normally closed (NC).  You want to wire the grounds to each other and then ground them to your encoder, and wire the NO terminals to the coin 1 and coin 2 buttons of your encoder.

If you're familiar already with wiring up pushbuttons or joysticks, the microswitches on the coin door work exactly the same way.

deepblue:

Perfect - Thanks....!!

GAJoe:

I probably didn't make that very clear.  Just in case, let me clarify.

Take either switch, whichever you want to be player 1 coin slot, and wire its ground terminal to the ground on your encoder and wire its NO terminal to the coin 1 key on your encoder.  Then do the same thing with the other switch, only wire its NO terminal to the coin 2 key.  You can tie the grounds to each other and then to the encoder, or you can wire them separately, it's a matter of preference really, just so long as everything is grounded to complete the circuit.

deepblue:

I got it - I didn't realize those were microswitches on the coin door...the wiring is the same as a normal microswitch then!

Now I just need to restore the door....;)

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