Published:2011/9/18 21:11:00 Author:Ecco | Keyword: 100w , VMOS tube, inverter power supply | From:SeekIC
As shown in Figure 4-11, the circuit is composed of 555 trigger and step-down rectifier circuit. When the hands touch metal A, the sensor signals make the internal comparator 555 turn and set, K pulls, the contact K1-1 closes; if people touch A again, K releases.
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