Vending machines have been around for centuries.
A quick history of vending machines Stollwerck vending machine, 1887 (Image: Volker Wendeler / Wikimedia Commons) In this article, we will discuss how these sensors work and how they help to prevent people from using counterfeit coins. This is because vending machines have special sensors that can detect fake coins.
Have you ever tried to use a fake coin in a vending machine? If so, you probably noticed that the machine didn’t work.
