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Newly Updated Circuit Projects:

Mains AC Overload protection Circuit for Voltage Stabilizers

Last Updated on January 2, 2024 by Swagatam 106 Comments

mains overload protection 1

In this article I have explained how to make a cheap yet effective mains operated AC overload and over-current protector circuit using very ordinary discrete components. Introduction I have published a few mains voltage stabilizer circuits in this blog, these units are designed and intended for safeguarding the connected appliances at their outputs. However these […]

Filed Under: Voltage Control and Protection Tagged With: AC, Mains, Overload, Protection, Stabilizers, Voltage

2 Easy Automatic Inverter/Mains AC Changeover Circuits

Last Updated on January 19, 2025 by Swagatam 158 Comments

inverter batterychargerchangeoverrelaycircuit

I have been put forth with this question many times in this blog, how do we add a changeover selector switch for automatically toggling of an inverter when AC mains is present and vice versa. And also the system must enable automatic switching of the battery charger such that when AC mains is present the […]

Filed Under: Inverter Circuits Tagged With: AC, Automatic, Changeover, Easy, Inverter, Mains

How to Generate Pure Oxygen and Hydrogen at Home

Last Updated on May 24, 2026 by Swagatam 91 Comments

generateoxygenandhydrogenathome

In this article I have explained a simple method through which large amounts of oxygen and hydrogen could be generated at home using an ordinary electrical setup, and very cheaply. Before I have explained the actual process, it would be important to read the following points related to the experiment: Warning: The simple concept of […]

Filed Under: Health related Projects Tagged With: Generate, Home, Hydrogen, Oxygen, Pure

How to Buy and Use RF Remote Control Modules – Control Any Electrical Gadget Remotely

Last Updated on July 3, 2019 by Swagatam 19 Comments

4channelremotecontrolmodule

Remote controls have always been an intriguing device for all of us because of one good reason: It allows us to operate distant gadgets with a flick of a button, without having to move an inch. Introduction Today with the advancement of technology remote control switches have become accessible very easily from the market and […]

Filed Under: Remote Control Circuits Tagged With: Control, Electrical, Gadget, Modules, Remote, RF

Digital Clock Synchronized Programmable Timer Circuit

Last Updated on May 13, 2020 by Swagatam 8 Comments

set reset latch circuit

I have already discussed one programmable timer circuit in this blog earlier, the circuit involves the IC 4060 for generating the basic oscillations which is further used for generating the required time intervals, however this cannot be synchronized with an external clock. The following circuit was requested by Mr.Amit, here the concept makes use of a clock for acquiring the required base timing […]

Filed Under: Timer and Delay Relay Tagged With: Clock, Digital, Programmable, Synchronized, Timer

IC TDA 7560 Datasheet – 4 x 45W QUAD BRIDGE CAR RADIO AMPLIFIER PLUS HSD

Last Updated on May 17, 2026 by Swagatam 35 Comments

hometheaterictda7560

In this post I have explained the datasheet of the IC  TDA7560 which is a cutting-edge BCD (Bipolar / CMOS / DMOS) technology class AB 4 x 45 quad Audio Power Amplifier in Flexiwatt 25 package made for super high power car radio. The thoroughly interdependent P-Channel/N-Channel output composition makes it possible for a rail to rail […]

Filed Under: Datasheets and Components Tagged With: 45W, 7560, Bridge, Datasheet, QUAD, TDA

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