1.Mechanical coin acceptor: no electricity required, unable to judge the authenticity of tokens

2.Electronic coin acceptor with STM chip inside. It can judge whether the coins thrown in are correct or wrong.Electronic coin acceptor with STM chip inside. It can be judged whether the coins thrown in are correct or wrong. Electronic coin acceptors can be divided into comparison type and memory type.
Comparison type :Before using the comparative coin acceptor, it is necessary to place a sample coin on the coin acceptor, and then the program written inside the coin acceptor will compare whether the size of the inserted metal coin is the same as that of the placed sample coin, and decide whether to enter or withdraw the coin Actions.

Memory coin acceptor: need to operate and input metal coins before use. Generally, you can enter a variety of metal coins, and set the signal value of various coins.
