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High Current Transformerless Power Supply Circuit

Last Updated on January 4, 2023 by Swagatam 316 Comments

The simple configuration of a transformerless power supply circuit presented below is able to provide high current at any assigned fixed voltage level. The idea seems to have solved the […]

Filed Under: Power Supply Circuits, Transformerless Power Supply

Sec Exciter Powered HV Capacitor Charger Circuit

Last Updated on March 10, 2019 by Swagatam 1 Comment

My friend Steven has updated a few more of his findings related to his sec exciter experiment, let’s learn more what Mr. Steven has to say. NEW SEC EXCITER POWERED HV CAP CHARGER […]



Filed Under: Battery Chargers

4 Universal Electronic Thermometer Circuits

Last Updated on December 11, 2022 by Swagatam 14 Comments

Here we learn four best electronic thermometer circuits which can be universally used for measuring body temperatures or atmospheric room temperatures ranging from zero degrees to 50 degrees Celsius. In […]

Filed Under: Health Related, Heater Controllers, Mini Projects, Sensors and Detectors

3 Best LED Bulb Circuits you can Make at Home

Last Updated on December 4, 2022 by Swagatam 266 Comments

The post elaborately explains how to build a 3 simple LED bulb using many LEDs in series and powering them through a capacitive power supply circuit. Warning: Circuits explained below […]

Filed Under: LED and Light Effect

How to Make a Digital Voltmeter, Ammeter Module Circuits

Last Updated on July 8, 2019 by Swagatam 29 Comments

In this article we learn 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 […]

Filed Under: Meters and Testers

How to Make a Simple Solar Inverter Circuit

Last Updated on January 14, 2021 by Swagatam 158 Comments

In this article we will try to understand the basic concept of a solar inverter and also how to make a simple yet powerful solar inverter circuit. Solar power is […]

Filed Under: Inverter Circuits, Mini Projects, Solar Controllers



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