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Sound Activated LED Lamp Circuit

Last Updated on December 3, 2023 by Swagatam Leave a Comment

A highly sensitive sound activated LED lamp circuit can be built using just a few transistors and resistors. The circuit is actually a high gain MIC amplifier circuit which amplifies the external sound hitting the MIC. The amplified signal is then used to momentarily illuminate a bunch of LEDs. What does the Circuit do? Basically, […]

Filed Under: Lamps and Lights Tagged With: Activated, Lamp, LED, Sound

Piano, Guitar Sound Effect Generator Circuit

Last Updated on July 8, 2023 by Swagatam Leave a Comment

guitar piano effect tone generator circuit

Music is a part of our lives, accompanying and enhancing our everyday experiences. While it is easy in electronics to generate a single note, for example, using a simple astable oscillator, one can only dream of the myriad of sounds available on even the most ordinary synthesizers, versatile and almost indispensable instruments today. A musical […]

Filed Under: Audio and Amplifier Projects Tagged With: Effect, Generator, Guitar, Piano, Sound

Sound Activated Remote Control Circuit

Last Updated on June 8, 2023 by Swagatam Leave a Comment

double sound operated ON OFF remote switch

This sound activated remote control circuit can be used to operate any electrical load ON/OFF, through a double sound command. Thus, the circuit ensures that the load cannot be operated through any random single sound triggers, which makes the circuit very fool proof. Our device will require two shifted sound commands. However, the second sound […]

Filed Under: Remote Control Circuits Tagged With: Activated, Control, Remote, Sound

Train Sound Simulator Circuit

Last Updated on March 11, 2023 by Swagatam Leave a Comment

7809 IC regulated power supply circuit

The train sound simulator circuit is an electronic circuit that generates a realistic sound that mimics the sound of a train moving on tracks. The circuit is designed to be integrated into a model train set or layout to add to the overall realism of the scene. The sound is produced using a combination of […]

Filed Under: Audio and Amplifier Projects Tagged With: Simulator, Sound, Train

Electronic Cricket Sound Generator Circuit

Last Updated on September 22, 2023 by Swagatam 6 Comments

cricket sound simulator

In this post I have explained how to build a simple cricket chirping sound generator circuit using a single IC 4093 and a few other passive components. An electronic cricket sound generator is a device which generates a sound exactly similar to a real cricket insect. This is done using a set of oscillators configured […]

Filed Under: Oscillator Circuits Tagged With: Cricket, Electronic, Generator, Sound

Light Controlled Sound Effect Generator Circuit

Last Updated on December 16, 2021 by Swagatam 6 Comments

light operated music effect generator circuit

This unique circuit allows you to create many different sound effect outputs simply by moving your hands over a couple of light dependent resistors, by varying the intensity of incident light over the LDRs. By Ramesh Powar The generator has two different cells LDRs that control a sound – burst oscillator circuit. One LDR controls the tone […]

Filed Under: Audio and Amplifier Projects Tagged With: Controlled, Effect, Generator, Light, Sound

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