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Newly Updated Circuit Projects:

Audio Clipper and Compressor Circuits Explained

Last Updated on May 15, 2026 by Swagatam 25 Comments

audio clipper circuit

In this article I have explained using circuit diagrams how a clipper and a compressor circuits work to processes an input audio signal as per the required output signal. What is an Audio Clipper An audio clipper circuit is basically used to alter or restrict the amplitude (volume) of an audio signal. There are mostly […]

Filed Under: Audio and Amplifier Projects Tagged With: Audio, Circuits, Clipper, Compressor, Explained

Wideband Amplifier Circuits

Last Updated on May 15, 2026 by Swagatam 38 Comments

wideband power amplifier circuit

This page discusses many types of wideband amplifier circuits. These amplifiers are utilized in a variety of high frequency applications in electronics. We’ll talk about how they operate and what makes them unique for specific RF circuit designs. A wideband amplifier is a circuit that boosts electronic signals over a wide range of frequencies, making […]

Filed Under: Audio and Amplifier Projects Tagged With: Amplifier, Circuits, Wideband

How to Measure Very Low Current [Circuit Diagram]

Last Updated on June 8, 2026 by Swagatam 3 Comments

very low current measuring meter circuit

Accurately measuring very low currents of a few microamps or less using a regular panel meter or multimeter is not feasible. To make such precise measurements, you need to employ an active circuit, like the one depicted here. This circuit low current ammeter circuit can be constructed as a self-contained unit or integrated into an […]

Filed Under: Meters and Testers Tagged With: Current, Measure, Very

Breath Detector Circuit

Last Updated on September 1, 2023 by Swagatam 2 Comments

breath detector circuit

The breath detector circuit I have explained below can be used to check or monitor the breathing function of a human or patient. So I have explained the detailed working of the circuit from the following explanation: Component Functions LM324 Op amp: A few operational amplifiers (op-amps) in the circuit magnify the minute voltage changes […]

Filed Under: Sensors and Detectors Tagged With: Breath, Detector

Ding Dong Bell Circuit that Saves Electricity

Last Updated on May 15, 2026 by Swagatam Leave a Comment

ding dong bell circuit

This circuit goes beyond being a simple two-tone doorbell. Instead, it utilizes envelope modulation to produce an authentic ‘ding-dong’ chime sound. Additionally, it incorporates a power-saving feature, consuming zero power in standby mode. Circuit Diagram How the Circuit Works When SW1 is pressed, it triggers Q1 to power the remaining circuitry. IC1a serves as a […]

Filed Under: Audio and Amplifier Projects Tagged With: Bell, Ding, Dong, Electricity, Saves

Sleeping Aid Circuit

Last Updated on May 24, 2026 by Swagatam 12 Comments

sleeping aid circuit

The sleep aid circuit appears to be particularly effective when used with young children experiencing restless nights. This can, in turn, contribute to the entire household enjoying uninterrupted sleep. With the sleep aid device operating next to you, you can customize the volume and depth settings according to your mood. Then, recline and focus your […]

Filed Under: Health related Projects Tagged With: Sleeping

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