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 […]
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How to Make a Bicycle Horn Circuit with Ringtone
A bicycle horn is normally used in bicycles for generating an amplified alarm sound with a press of a button for alerting anybody getting on the path of the running […]
How To Calculate and Connect LEDs in Series and Parallel
In this article you will learn how to calculate LEDs in series and parallel using a simple formula and configure your own personalized LED displays, now you don’t just have […]
Lead Acid Battery Charger Circuits
The lead acid battery charger circuits explained in this article can be used for charging all types of lead acid batteries at a specified rate. This article explains a few […]
4 Simple Transformerless Power Supply Circuits Explained
In this post we discuss 4 easy to build, compact simple transformerless power supply circuits. All the circuits presented here are built using capacitive reactance theory for stepping down the […]
5 Simple Water Level Controller Circuits
An automatic water level controller is a device which senses undesired low and high water levels in a tank, and switches a water pump ON or OFF accordingly to maintain […]