jqc3f-05VDC-C继电器引脚定义 6脚固态继电器有两个脚是线圈脚,也就是与单片机上输出端连接(或者是接电源的正负极)。用万用表测一下,有电阻的两个脚就是线圈脚。另外四个脚是两个公共点(即这两个脚其实是连在一起的),还有两个一个常开,一个常闭。 继电器线圈未通电时处于断开状态的静触点,称为“常开触点...
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