Audio Operated Switch Circuit Diagram

This is a simple Audio or voice Operated Switch Circuit Diagram. The sound picked up by SPKRl, which acts as a microphone, is fed to transistor amplifier Ql. The output of Ql is applied across coupling transformer T1 and is used to drive the gate circuit of Triac TRl. TRl is used to lend a latching effect to the action of the relay.

Audio Operated Switch Circuit Diagram


Audio Operated Switch Circuit Diagram

1 comments:

  1. Good and Easy explanations Audio Operated Switch Circuit. i like and more Electronic Circuit Project Publish on this blog. Thanks again...

    ReplyDelete

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