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Explored

4 Simple Battery Desulfator Circuits Explored

Last Updated on May 17, 2026 by Swagatam 387 Comments

batterydesulfatorcircuit

In this article we investigate 4 simple yet powerful battery desulfator circuits, which can be used to effectively remove and prevent desulfation in lead acid batteries. The first method uses PWM pulses from a 555 PWM circuit, the second method implements an ordinary bridge rectifier for implementing a 100 Hz frequency based desulfation, the 3rd […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Circuits, Desulfator, Explored, Simple

Simple Ni-Cd Battery Charger Circuits Explored

Last Updated on May 17, 2026 by Swagatam 116 Comments

Nicd Charger circuit

In this post I have explained many simple NiCd charger circuits with an automatic overcharge protection and a constant current charging. When it comes to correctly charging a Nickel-Cadmium cell, it is strictly recommended that the charging process is halted or cut off as soon as it reaches the full charge level. Not following this […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charger, Circuits, Explored, Simple

4 Solid-State Car Alternator Regulator Circuits Explored

Last Updated on May 16, 2026 by Swagatam 85 Comments

car voltage regulator circuit

The 4 simple car voltage current regulator circuits I have explained below is created as a immediate alternative to any standard regulator and, although developed principally for a dynamo it will function equally effectively with an alternator. If the functioning of a traditional car alternator voltage regulator is analyzed, we find it amazing that these […]

Filed Under: Automobile Electronics Tagged With: Alternator, Circuits, Explored, Regulator, Solid, State

5 Best 40 Watt Amplifier Circuits Explored

Last Updated on May 15, 2026 by Swagatam 26 Comments

40 watt amp

In this post I will talk about 5 outstanding, easy to build, low distortion Hi-Fi 40 watt amplifier circuits that can be further upgraded to higher wattage through some minor tweaks. This article was contributed to me through email by a dedicated follower Although you may find several hybrid output modules available, hardly any of […]

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Best, Circuits, Explored, Watt

10 Useful Active Filter Circuit Diagrams Explored

Last Updated on May 15, 2026 by Swagatam 15 Comments

Figure1

In this post I will comprehensively discuss 10 different types of active filter circuits which can be used for filtering music and audio with the desired levels of bass and treble effects. We also learn about their working, types, characteristics, and practical applications circuits. Contributed By: Ken Madison In audio signal processing circuits, filters are used […]

Filed Under: Audio and Amplifier Projects Tagged With: Active, Diagrams, Explored, Filter, Useful

Microcontroller Basics Explored

Last Updated on May 14, 2026 by Swagatam 9 Comments

microcontroller pinout

One thing is great about microcontroller ICs, these are available almost in all parts of the globe and electronic retailers. Introduction Fundamentally microcontroller devices are popularly used in applications involving assessments of the surrounding environment and in similar electronics. You could find these devices being used for displaying a certain parameter, in motor control applications, […]

Filed Under: Arduino Projects Tagged With: Basics, Explored, Microcontroller

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