说明：  熟悉LCD的使用方法 LCD循环显示本站网址和电话 LCD直接与单片机的A口和D口相连接 所有拨码开关置OFF 调节电位器，调节LCD亮度
(Familiar with the use of LCD display LCD recycling site address and the telephone directly with the single-chip LCD I and D of A is connected to the mouth of all DIP switches OFF Purchase potentiometer adjustment, adjust LCD brightness)