首页->long-range
该计数器用于对按键次数的计算,比如鼠标中的微按钮或其它按钮做QC测试用.该程序为汇编延时程序,用了取两次定时中断的键值做比较以达到简单防抖动和取健值的目的.本计数器的计数范围为0-999999,最大的频率为50Hz.该电......
FIG.11:Show a long-range timer relay switching circuit which spans 1minute to 20 hours in three ranges using a......
The power output of most of these circuits are very low because no power amplifier stages were incorporated. ......