自动投币洗衣机的控制器设计，包含按键消抖，控制器模块，数码管显示，对电机的控制信号输出。投两颗币将实现洗半桶，投三颗币实现洗一桶-Automatic coin washing machine controller design, including key debounce, controller module, digital display, the motor control signal output. Throw two coins will achieve half a bucket