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Making cheap encoder?

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honkey:

Is there a tutorial on how to do this? I want to wire up my coin door.

Thenasty:

if you just want to wire up the COIN inputs, just hack a keyboard or use a mouse (buttons).

BobA:

Or you could hack a $5 dollar gamepad.



honkey:


--- Quote from: Thenasty on January 17, 2012, 12:00:04 am ---if you just want to wire up the COIN inputs, just hack a keyboard or use a mouse (buttons).

--- End quote ---
I have a spare keyboard. How would I go about this?

BobA:

Usually a keyboard has a matrix setup of keys.   You have to match the rows and columns to whatever key you want.  There are alot of old articles on how to do it but I stress that these are really old and not the easiest way to go.   

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