These components are controlled by an Arduino microcontroller ... Simply insert a coin, choose a product, and repeat. The machine can be customized to hold different types of items, making ...

The Razorfish Digital Gum Machine was designed to broaden ... a simple reed switch and two Arduino microcontrollers. After inserting a 50 cent coin into the slot and turning the lever, a digital ...

Using an Arduino, coin acceptor, LCD screen ... [Mistablik] even used the vending machine to ask his girlfriend to prom, a technique sure to win any geek lover’s heart. Vending machines are ...

Coin-operated machines have a longer history than you ... He used what he learned from the teardown to build his own Arduino-based version. For scale, there is the obligatory banana.