Chapter 5
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5小时定时器
电动车电瓶性能下降,无法实现涓流充电,5-6小时后需要人工断电,否则电瓶就会过充电引起电瓶发烫。利用单片机的定时器设计一个时长为5小时的延时开关。当充电时间累积到5小时后,单片机驱动继电器切断充电回路...
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jsp和xml。XML and JSP are two important tools available in producing a web application. This chapter e
jsp和xml。XML and JSP are two important tools available in producing a web application. This chapter e...
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It is about spline word,please refer to this chapter and analysis ,then you will find how to draw
It is about spline word,please refer to this chapter and analysis ,then you will find how to draw ...