Sound SCR Switch by IC 1458 & SCR C106D

This is Electronic Switch, Control by Sound. It is mini Circuit and easy, use IC 1458 or 4558 or LF353 , SCR for Switch Electronic = Relay Switch. Volt supply 9V.
You can see LF353 in many circuits.

Circuit Sound SCR Switch by IC 1458 & SCR C106D

PCB Sound SCR Switch by IC 1458 & SCR C106D

Source: PK Kit Circuit

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