Discrete sound and light control stairs delay switch circuit(10)

Published:2011/6/30 0:51:00 Author:Ecco | Keyword: Discrete , sound , light, control, stairs delay switch | From:SeekIC

The sound and light control stairs delay switch circuit shown in the Figure uses the positive feedback audio amplifier, and it has higher sound control sensitivity, and at night, the general talking or footsteps can trigger the light E to emit light.



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