Electrostatic detection of acousto-optic alarm circuit

Published:2012/8/15 22:59:00 Author:Ecco | Keyword: Electrostatic detection , acousto-optic alarm | From:SeekIC

The circuit is shown as the chart. It consists of electrostatic induction electronic switch and sound circuit. When the electrostatic field exists in the peripheral environment of computer, the circuit can detect the presence of static and issue the sound of beep , please attention , at the same time , the light-emitting diode will be lit to draw people's attention to the safe use of the computer or CPU chip.



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