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Pure Sine Wave Inverter Circuit Using IC 4047

Last Updated on January 19, 2026 by Swagatam 809 Comments

A very effective pure sine wave inverter circuit can be made using the IC 4047 and a couple IC 555 together with a few other passive components. I have explained the details below. Introduction In one of my previous posts I explained the main specifications and datasheet of the IC 4047 where I have explained […]

Filed Under: Inverter Circuits Tagged With: 4047, Inverter, Pure, Sine, Wave

Simple SG3525 Sine Wave Inverter Circuit Explained

Last Updated on December 27, 2025 by Swagatam 1,427 Comments

sg3525 sine wave inverter circuit

In this post we will discuss two methods of designing pure sine wave inverter circuits using 555 IC based SPWM processing. In the first concept we connect the 555 processors directly with the SG3525 outputs and do the sine wave conversion directly at the MOSFET gates. In the second concept we do it externally and […]

Filed Under: Inverter Circuits Tagged With: High, Power, Pure, SG3525, Sine, Wave

Arduino Pure Sine Wave Inverter Circuit with Full Program Code

Last Updated on May 24, 2025 by Swagatam 644 Comments

arduino

This article explains a simple pure sine wave inverter circuit using Arduino, which could be upgraded to achieve any desired power output as per the user’s preference. Circuit Operation In the last article I have explained how to generate sine wave pulse width modulation or SPWM though Arduino, we are going to use the same […]

Filed Under: Arduino Projects, Inverter Circuits Tagged With: Arduino, Full, Inverter, Pure, Sine, Wave

250 Watt Pure Sine Wave Inverter Circuit

Last Updated on January 19, 2025 by Swagatam 32 Comments

250 watt sine wave inverter compressed

The cost and quantity of parts necessary to develop the proposed 250 watt sine wave power inverter circuit is actually much less compared to a noisy square wave switching-type inverter circuit. Only an extra three or four tiny transistors, a some resistors and capacitors, a couple of pots and a small driver transformer are all […]

Filed Under: Inverter Circuits Tagged With: 250, Inverter, Pure, Sine, Watt, Wave

How to Generate Pure Oxygen and Hydrogen at Home

Last Updated on January 8, 2024 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

Make This 1KVA (1000 watts) Pure Sine Wave Inverter Circuit

Last Updated on September 18, 2022 by Swagatam 286 Comments

A relatively simple 1000 watt pure sine wave inverter circuit is explained here using a signal amplifier and  a power transformer. As can be seen in the first diagram below, the configuration is a simple mosfet based designed for amplifying current at +/-60 volts such that the connected transformer corresponds to generate the required 1kva […]

Filed Under: Inverter Circuits Tagged With: 1000, 1KVA, Pure, Sine, watts, Wave

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