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Newly Updated Circuit Projects:

7 Simple Continuity Tester Circuits Explained

Last Updated on June 8, 2026 by Swagatam 43 Comments

simplecontinuitytestercircuit

If you are looking for a simple circuit to test continuity of wires and long conductors, the explained 7 easy to build continuity circuits are the ones which you can try and might fulfill your requirement. What is a Continuity Tester A continuity tester is a device which is used for identifying the correct continuity […]

Filed Under: Meters and Testers Tagged With: Circuits, Continuity, Explained, Simple, Tester

Make this Amplifier Power Meter Circuit

Last Updated on June 8, 2026 by Swagatam 6 Comments

amplifier power meter circuit 1

Music Amplifiers have always intrigued us due to their massive amplifying capabilities which completely changes the dimensions of the delivered music outputs. Fundamentally it’s the power of the amplifier that’s always on the scanner and we find folks getting too obsessed by the power rating of their procured amplifier unit. Introduction However many of us […]

Filed Under: Meters and Testers Tagged With: Amplifier, Meter, Power

4 Simple VU Meter Circuits Explained

Last Updated on June 8, 2026 by Swagatam 50 Comments

music light

In this post I have explained how to build 4 interesting VU meter circuits, using LEDs and using a moving coil meter. What is a VU Meter VU meter or a volume unit meter circuit is a device used for indicating the music volume output from an amplifier or a loudspeaker system. It may be […]

Filed Under: Meters and Testers Tagged With: Circuits, Explained, Meter, Simple, VU

How to Make a Digital Voltmeter, Ammeter Module Circuits

Last Updated on June 8, 2026 by Swagatam 29 Comments

2

In this article I have explained how to build a digital voltmeter and a digital ammeter combined circuit module for measuring DC volts and current through different ranges, digitally. Introduction Electrical parameters like voltage and current are inherently associated with electronics and with electronic engineers. Any electronic circuit would be just incomplete without appropriate supply […]

Filed Under: Meters and Testers Tagged With: Ammeter, Circuits, Digital, Module, Voltmeter

Satellite Signal Strength Meter Circuit

Last Updated on June 8, 2026 by Swagatam 34 Comments

satelite signal meter circuit

Here I have explained how to make a simple inexpensive satellite signal strength meter which can be used for aligning dish antennas with local satellites in order to achieve the correct positioning and maximum signal strength from the antenna. How LNB Works The LNBs that are used for receiving satellite signals (digital or analogue) are […]

Filed Under: Meters and Testers Tagged With: Meter, Satellite, Signal, Strength

0 to 99 Digital Pulse Counter Circuit Diagrams

Last Updated on June 8, 2026 by Swagatam 29 Comments

0to99countercircuit

The proposed 00-99 digital pulse counter circuit becomes very handy in places where you need to keep the people organized in some specified order. Operating details of the digital counter As may be referred the circuit employs the popular 555 IC to genearte the pulse clocks. The pulse counting is done with the help of […]

Filed Under: Meters and Testers Tagged With: Counter, Diagrams, Digital, Pulse

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