投币电话机投币， 代币接受装置，其它筛选装置等。
Pay Phone, Game Machine, Coin receiving Mechanism, screening device etc.
主要介绍了一种由单片机控制的新型投币电话机的电路及工作原理。
The article introduces the circuit and principle of a new type of coin box controlled by chip microcomputer.
主要介绍了一种由单片机控制的新型投币电话机的电路及工作原理。
The article introduces the circuit and principle of a new type of coin box controlled by chip microcomputer.
应用推荐