In this article we learn 7 easy to build DC to DC voltage doubler circuits using a single IC 4049 and IC 555 along with a few other passive components. […]
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Build a Homemade GSM Car Security System
This super simple circuit design of a gsm car security system really works.Don’t believe it? Find out and learn the simple method of constructing it. How would you feel if […]
IC 555 LED Circuits (Blinking, Flashing, Fading Effect)
In this post we will learn how to assemble IC 555 for generating interesting LED circuits with blinking, flashing and fading light effects with some minor modification and enhancements. Why […]
FM Wireless Microphone Circuit – Construction Details
A wireless microphone is a portable electronic microphone which allows the user to transmit its voice to an amplifier without any wire connection, hence the name wireless microphone. Making a […]
A Homemade Fence Charger, Energizer Circuit
The electric fence charger circuit presented here is basically a high voltage pulse generator. The super high voltage is derived from a commonly used automobile ignition coil. An astable multivibrator […]
10 LED Simple Roulette Wheel Circuit
A very simple 10 LED roulette wheel circuit is shown here. pressing the button starts the LEDs in a rotational motion (sequencing) at full swing initially, and gradually slows down, […]