How to use coins in vending machines

DIY Vending Machine Using Arduino With Real Coin Detector vending machine coin slot Multi-Function Smart Coin Slot Vending Machine with Multi-Currency Acceptance ; Note · Step Down Voltage Transformer required for using electronics products of US vending machine slot demo Every coin operated machine employs the use of a coin mechanism, which is simply a gravity fed chute about the size of a post card with a few

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