The hardware design mainly includes signal detect circuit , electrical level translation circuit , microcontroller interface circuit , data communication circuit and so on 在硬件電路設(shè)計(jì)方面完成了信號(hào)檢測(cè)電路、電平平移電路、單片機(jī)接口電路以及數(shù)據(jù)通信等電路的設(shè)計(jì)。