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Interfacing an old arcade cash reader with an Arduino

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Interfacing an old arcade cash reader with an Arduino

Arduino TeamApril 2nd, 2020

After picking up a free arcade machine, YouTuber “Another Maker” has naturally been considering what to do with it. One of the more interesting components included is the 1/5/10/20 U.S. dollar bill acceptor, which he outlines in the video below.

The cash reader is powered by a 12V supply, and “emulates” quarter inputs to the machine by sending multiple signals for each bill. Meaning, a dollar would be output as four quarters, five times that for a five dollar bill, and so on. This functionality is shown at the end of the clip on an Arduino Mega with an LCD keypad shield. The machine also has a 5V input, which can activated by an Arduino to make it flash LEDs and reject all bills when “business is closed.”

[youtube https://www.youtube.com/watch?v=Ot7_iEwcphg?feature=oembed&w=500&h=281]

The code that enables it to read the device can be found on GitHub. And in case you’re wondering what Another Maker ended up building…

[youtube https://www.youtube.com/watch?v=Upx8QGVuke0?feature=oembed&w=500&h=375]

Website: LINK

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