We’ve all seen, and occasionally wrestled with, bill acceptors like the one [Another Maker] recently liberated from an arcade machine. But have you ever had one apart to see how it works? If not, the ...

Coin-operated machines have a longer history than you might think. Ancient temples used them to dispense, for example, holy water to the faithful in return for their coins. Old payphones rang a bell ...

A DIY Raspberry Pi vending machine has been created by Christopher Natan using a little Arduino programming and hardware. Full instructions on how the project is created have kindly been published to ...