Build a simple DIY clap switch

Description: Here’s a simple DIY clap switch circuit. The circuit is mainly composed of an audio frequency and a bistable trigger circuit. Q1 and Q2 together form an amplifier circuit. MK1 (electret microphone) accepts Clap/Audio signal and that enters to transistor Q1 through the coupling capacitor C1 and enters to Q2 base through collector directly after getting…

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SOUND ACTIVATED SWITCH – RELAY

This project is a sound-activated switch. DESCRIPTION Clap switch/Sound-activated switch designed around op-amp, flip-flop, and popular 555 IC. Switch avoids false triggering by using a 2-clap sound. Clapping sound is received by a microphone, the microphone changes the sound wave to an electrical wave which is further amplified by the op-amp. 555 timer IC acts…

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Toggle switch using 555

Description: The following circuit works as a toggle switch. The circuit has two stable states, ON and OFF. Once it is ON, it remains ON till you press the switch again. The project has been derived from buildcircuit.com. You can read the original post from this link: http://www.buildcircuit.com/toggle-switch/ 

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    buildcircuit.com

    | ‘Scoreduino-A’ Trigger Module For Up and Down Counter Drivers Categories: BuildCircuit Originals, Counters, Scoreduino US $24.95 Off Ends In: Rated 0 out of 5( 0 reviews ) Arduino based digital controller for up down counters and drivers Programmable with FTDI basic breakout board. Comes with a Bluetooth module and RF remote control. Scoreduino-A communicates…

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    5 beginners projects that work in the first attempt

    Just started electronics ? And you don’t know any engineering behind your projects and you are afraid of failure ? Then, this article can help you get started in electronics. Usually, success in initial projects plays important role in electronics amateurs and engineering students’ career. Many students quit electronics because they fail in their first,…

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