In this post I have explained how electret microphone devices work, through appropriate diagrams and formulas. What’s a Microphone A microphone is a device designed for transforming weak sound vibrations […]
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Simple 20 watt Amplifier Circuits
This article is written with an intent to build a simple 20 Watt Amplifier. All the amplifier circuits presented below will provide a full output power of 20 watts into […]
32 watt Amplifier Circuit using TDA2050
In this post I have explained how to build a simple yet powerful 32 watt amplifier circuit using a single chip TDA2050 and with a handful of resistors and capacitors. […]
Ultrasonic Distance Meter Circuit Using 16×2 LCD
In this article I will show how to construct an ultrasonic distance meter circuit using Arduino and 16×2 LCD. We are also going to see what an ultrasonic module is, […]
How to Select MOV – Explained with a Practical Design
MOVs or metal oxide varistors are devices designed for controlling mains switch ON surges in electrical and electronic circuits. Selecting an MOV for a particular electronic circuit might require some […]
Make this Crystal Radio Set Circuit using No Batteries
A crystal radio circuit is probably the simplest form of radio that uses hardly any electronic components, and needs absolutely no external power for the operations. Crystal Radio Concept The […]