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Newly Updated Circuit Projects:

Make This Powerful 200+200 watts Car Stereo Amplifier Circuit

Last Updated on May 15, 2026 by Swagatam 42 Comments

200wattcarstereoamplifiercircuit

No complex wiring, no costly MOSFETS and no cumbersome heatsinks, yet a powerful 200+200 watt stereo amplifier circuit, which can be built within hours using just a couple ICs, right in your home. Yes we are discussing the state-of-the-art thick film hybrid IC STK4050II, by SANYO.The IC is specifically designed for amplifying music at an […]

Filed Under: Audio and Amplifier Projects Tagged With: 200, Amplifier, Powerful, Stereo, watts

2 watt Amplifier Circuit

Last Updated on May 15, 2026 by Swagatam 28 Comments

miniamplifiercircuit

A very simple 2 watt audio amplifier circuit has been presented here which can be constructed by all new electronic hobbyists for amplifying small signal frequencies and for other similar experiments. Circuit Operation

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Watt

Astable Multivibrator Circuit Using NAND Gates

Last Updated on May 20, 2026 by Swagatam 4 Comments

Astable Multivibrator Circuit Diagram Using IC 4093 NAND Gate2C Image

An astable multivibrator is referred to an electronic configuration which is able to generate continuous alternate high and low pulses from a couple of outputs, operating in tandem. Why IC 4093 You might have well come across such astable circuits using a couple of transistors, a couple of capacitors and a few resistors.However more simpler […]

Filed Under: Electronics Theory Tagged With: Astable, Gates, Multivibrator, NAND

2 Best Long Duration Timer Circuits Explained

Last Updated on January 19, 2025 by Swagatam 191 Comments

long duration timer circuit

In this post I have explained how to make 2 accurate long duration timer circuits ranging from 4 hours to 40 hours, which can be upgraded further for getting even longer delays. The concepts are fully adjustable. A timer in electronics is essentially a device which is used for producing time delay intervals for switching […]

Filed Under: Timer and Delay Relay Tagged With: Best, Circuits, Duration, Explained, Long, Timer

Add this Short Circuit Protection to Your Power Supply

Last Updated on October 14, 2022 by Swagatam 107 Comments

simple short circuit protection for power suppllies using relay

A rather cheap yet reasonably effective short circuit protection circuit is I have explained below which can be used for safeguarding power supply circuit Introduction A power supply unit is an indispensable unit for every electronic enthusiast and engineers working in the relevant field. Though today all of us use hi-tech power supply units having […]

Filed Under: Power Supply Circuits Tagged With: Power, Protection, Short, Supply

Amplifier Short/Overload Protection Circuit – 2 Ideas Discussed

Last Updated on May 15, 2026 by Swagatam 73 Comments

simple amplifier protection circuit

Due to some reason if the loudspeaker of a power amplifier gets shorted, that may lead to a fatal damage to the amplifier component. To prevent this an amplifier short circuit protector circuit can be very useful. In the following post I have explained 2 simple amplifier short circuit or overload protection circuits for safeguarding […]

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Discussed, Ideas, Overload, Protection, Short

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