Music Light Circuit without Contact

This music operated dancing light circuit can be positioned in front or near any loudspeaker or an audio source and enable a correspondingly dancing or sequencing lights connected at the output of the circuit. Since the design is based on triacs and mains AC, the lamps are 220V or 120V AC filament lamps, which may […]

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Programmable electronic Door Bell Circuit

This programmable electronic musical door bell circuit is really simple since the integrated circuit really does all the things! It should be stated that we now have created some substantial modifications to the application plan. As shown in the below diagram the power supply is extracted from the 230 V mains: the TF1 secondary (2 […]

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Speaker Box Amplifier Circuit with Woofer, Tweeter

If you are planning to make an speaker amplifier box circuit or ampli-speaker unit with integrated woofer and tweeter, this circuit will help you to reach your goal with great success and also very cheaply. It is an amplifier which, with a voltage of 14.4 Volts, distributes a total power of 20 Watts in two […]

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Hi-Fi Bass, Treble, Presence Tone Control Circuit

In this post we learn how to make a simple yet Hi-Fi super tone control circuit featuring adjustable bass, treble, and presence control circuit using potentiometers and processed using opamps. This specific tone control features a couple of control knobs or pots which enable you to vary the presence of bass and treble within an […]

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