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Homemade Solar MPPT Circuit – Poor Man’s Maximum Power Point Tracker

Last Updated on February 24, 2020 by Swagatam 200 Comments

simplempptchargercircuit

MPPT stands for maximum power point tracker, which is an electronic system designed for optimizing the varying power output from a solar panel module such that the connected battery exploits the maximum available power from the solar panel. Introduction NOTE: The discussed MPPT circuits in this post do not employ the conventional control methods like “Perturb and […]

Filed Under: Solar Controller Circuits Tagged With: Homemade, Maximum, MPPT, Poor, Power, Solar

3-Step Automatic Fast Battery Charger/Controller Circuit

Last Updated on May 24, 2026 by Swagatam 272 Comments

3stepbatterychargercircuit

Generally it is noticed that while charging batteries people hardly pay any special attention toward the procedures. For them charging a battery is simply connecting any DC supply with matching voltage with the battery terminals. A fast battery charger circuit charges a battery with enhanced speed so that it is charged in less time than the specified period. […]

Filed Under: Battery Charger Circuits Tagged With: Automatic, Battery, Charger, Controller, Fast, Step

High Voltage, High Current DC Regulator Circuit

Last Updated on May 16, 2026 by Swagatam 69 Comments

high voltage DC stabilizr circuit

We all are pretty familiar with the 78XX voltage regulator ICs or the adjustable types such as LM317, LM338 etc. Though these regulators are outstanding with their specified functioning and reliability, these regulators have one big disadvantage…. they won’t control anything above 35V. Circuit Operation The circuit presented in the following article introduces a DC […]

Filed Under: Automobile Electronics Tagged With: Current, DC, High, Regulator, Voltage

Transformerless UPS Circuit for Computers (CPU)

Last Updated on March 13, 2019 by Swagatam 8 Comments

transformerlessupscircuitforcomputers

In this post I have explained how to build a simple UPS circuit for backing up computers or PCs during sudden power failures or brownouts. Introduction Normally when we talk about uninterruptible power supplies (UPS) we imagine large inverter units with complex features, where it imperatively needs to be a pure sine wave type. Such […]

Filed Under: Inverter Circuits Tagged With: Computers, CPU, Transformerless, UPS

Make this Voltage Stabilizer Circuit for Your Car

Last Updated on May 16, 2026 by Swagatam 53 Comments

carvoltagestabilizercircuit

In this post I have explained about a car voltage stabilizer circuit which could be made and installed in all cars for ensuring a perfectly controlled and stabilized supply for the associated sensitive electronics and gadgets. Understanding Car Electrical A car electrical is probably more volatile than our house electrical, simply because it is generated […]

Filed Under: Automobile Electronics Tagged With: Stabilizer, Voltage

Make this Solar Powered Fence Charger Circuit

Last Updated on March 15, 2020 by Swagatam 114 Comments

enhanced two wheeler ignition circuit

A Fence charger or energizer is an equipment which is used for charging(electrifying) a fence or a boundary in order to protect the inside premise from human or animal interventions. Since these boundaries are mostly of large fields and parks, are normally away from the main cities, and powering them through some renewable option becomes […]

Filed Under: Security and Alarm Tagged With: Charger, Fence, Powered, Solar

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