Coin Mech for Arcade Coin Door

thingiverse

This adds a simple coin mechanism to your homemade / DIY arcade or pinball cabinet coin door. This mech is really simple. It allows you to insert a quarter, then it just routes it to the coin return. There's a place to mount an optical sensor, which can act as a coin-in switch. This is designed to fit on this blank coin door and possibly others: https://virtuapin.net/index.php?main_page=product_info&cPath=3&products_id=68 It works with an optical sensor commonly listed as a "Lerdge optical endstop." The optical sensor output is active high, but Pinscape and other controllers expect an active low signal. The signals from two such sensors can be combined and inverted with a NOR gate as shown in the attached circuit diagram.