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Discussed

Battery Charger Problems Troubleshooting Discussed

Last Updated on August 3, 2019 by Swagatam 14 Comments

battery charger circuit

The included battery charger circuit was designed and built by Mr.Vinod Chandran, however there’s some issues and problems  with the circuit the troubleshooting of the same is addressed in this article. I have explained the discussion between Vinod and me. Discussing a Transistor Battery Charger Problem Vinod: I am attaching the circuit image of the […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charger, Discussed, Problems, Troubleshooting

Amplifier Short/Overload Protection Circuit – 2 Ideas Discussed

Last Updated on April 6, 2025 by Swagatam 73 Comments

simple amplifier protection circuit

Due to some reason if the loudspeaker of a power amplifier gets shorted, that may lead to a fatal damage to the amplifier component. To prevent this an amplifier short circuit protector circuit can be very useful. In the following post I have explained 2 simple amplifier short circuit or overload protection circuits for safeguarding […]

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Discussed, Ideas, Overload, Protection, Short

3 Simple Frequency Counter Circuits Discussed

Last Updated on June 5, 2022 by Swagatam 17 Comments

frequency 1

In this post we are going learn how to construct 3 different frequency counter circuits using ordinary components and ICs which will showcase the measured frequency on 7 segment displays. The first circuit which uses 4026 ICs can measure frequencies up to 1 MHz and the circuit is user calibrated.  We will Learn About: Block […]

Filed Under: Sensors and Detectors Tagged With: Circuits, Counter, Discussed, Frequency, Simple

7 Easy Voltage Doubler Circuits Discussed

Last Updated on November 9, 2023 by Swagatam 55 Comments

555 voltage doubler

In this article I have explained 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. If you are wondering how a simple IC 555 can be used for making a powerful voltage doubler circuit, then this article will help […]

Filed Under: Mini Projects Tagged With: Circuits, Discussed, Doubler, Easy, Voltage

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