555 multi-function power supply socket circuit

Published:2011/6/1 3:52:00 Author:TaoXi | Keyword: 555, multi-function, power supply, socket | From:SeekIC

As the figure 15-11 shows, the power supply socket is composed of the step-down rectifier circuit, the 555 monostable trigger circuit and the sound control electronic switch.etc. K1 is the function conversion switch. You can get the preset timing in 180 minutes by adjusting RP1. K2 is the reset switch, you can timing open or close the fans and electric heaters by using K2. When K1 is on the sound control gear, the timing is removed, you can control the power supply on-off by the clapping or whistle three meters away.



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