Jul 10, 2025 · In this post I have explained 3 simple sound activated relay switch circuits which can used as a module for any system that might be assigned to trigger by detecting some kind …

Sep 17, 2025 · Imagine we want the automatic sound switch controller. We called the sound activated switch. It has many ways to do these circuits. But now I am going to show you three …

Jun 30, 2020 · In this tutorial, we are going to demonstrate an easy and interesting DIY project that is a sound-activated switch. This circuit can activate a relay switch for a couple of minutes …

Nov 17, 2024 · Sound triggered switches are employed in several applications, a few common illustrations being voice controlled tape recorders, baby alarms, burglar alarm systems, and …

Jul 12, 2025 · In this post we will discuss how to build a simple sound operated relay circuit which can be used to controll appliances with sound signals.

Dec 21, 2015 · In this article, we'll build a sound-activated switch that can be opened and closed with a double clap.

Nov 2, 2022 · Room Sound Monitor - With this simple circuit, you can secretly listen to conversations going on in a room. The circuit is very sensitive and powered by a 3V battery.

This is sound activated switch circuit. It's will turned on and off based on a loud sound such as clapping your hands. The loud sensitivity can be adjusted.

Dec 16, 2020 · This project uses an LM386 audio amplifier IC with a few other components to build a simple and accurate sound-activated alarm circuit. The circuit will activate a buzzer for …

To show how sound can turn “ON” an electronic device. Build the circuit shown on the left by placing all the parts with a black 1 next to them on the base grid first. Then, assemble parts …