一个利用数字信号进行可控硅控制的电路.可以很方便的用于单片机等数字电路,用于控制功率较大的交流负载(如交流电机或电加热炉等).-A digital signal for the use of SCR control circuit. Can be very convenient for single-chip digital circuitry for controlling the exchange of larger power loads (such as AC motor or elec