Electronic Pest Killing Lamp (1)

Published:2011/5/20 3:53:00 Author:Sue | Keyword: Electronic, Pest, Killing, Lamp | From:SeekIC

In the daytime, IC's 6 pin has a high level, 3's pin has a low level and VF1 is disconnected. The whole circuit doesn't work. In the evening, IC1's 2 pin has a low level, 3 pin has a high level, and VF1 is connected. The circuit begins to work. When the multivibrator begins to work, IC2's 3 pin outputs oscillator signals. The signal will generate alternating current 220V voltage, illuminating EL. Another circuit will generate high voltage,which will be sent to the electronic net.



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