发布时间:2025-01-21 20:10:42
控制继电器想动作,前面输入的是高低电平(开关信号),后端当然是接高压电端了,他的通断来控制电磁阀的吸和与断开。
原理是:温度传感器,接单片机进行计算,设置报警点,然后输出开关量,加驱动接继电器,进行自动控制。
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