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Explored

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

2 Simple RF Detector Circuits Explored

Last Updated on April 2, 2026 by Swagatam 10 Comments

RF detector circuit using transistors

In this article I have explained a couple of very easy to build RF detector circuits, which can be used to sense or detect or sorts of Rf electrical noise that may be floating in the surrounding atmosphere. What is RF RF stands for radio frequency, which is a kind of electrical interference transmitted in […]

Filed Under: Sensors and Detectors Tagged With: Circuits, Detector, Explored, RF, Simple

7 Best Touch Sensor Switch Circuits Explored

Last Updated on November 29, 2025 by Swagatam 82 Comments

touch2Bsensor

In this post I have explained 8 easy methods of building touch sensor switch circuits at home, which can be used for switching 220 V appliances ON/OFF with mere finger touch operat ions. The first one is a simple touch sensor switch using a single IC 4017, the second one employs a Schmidt trigger IC, […]

Filed Under: Sensors and Detectors Tagged With: Best, Circuits, Explored, Sensor, Switch, Touch

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