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Newly Updated Circuit Projects:

3 Laser Beam Controlled Circuits Explored

Last Updated on January 20, 2025 by Swagatam 16 Comments

laser door bell circuit

A compact, battery-powered transmitter emits a LASER beam when the control push button is activated. The beam is frequency-coded to provide a maximum level of reliability in transmission. The receiver can be located at a considerable distance from the transmitter (up to several tens of meters). The light beam, by definition, remains highly focused, and […]

Filed Under: Remote Control Circuits Tagged With: Beam, Circuits, Controlled, Explored, Laser

100 Watt Amplifier Circuit Diagram using LM12 IC

Last Updated on May 15, 2026 by Swagatam 5 Comments

100 watt amplifier circuit using IC LM12

The LM12 integrated circuit (IC)-based 100-watt amplifier circuit is a strong audio amplification solution created to produce high-quality sound in a small package. This amplifier delivers outstanding power output while preserving a tiny footprint by using the capabilities of the LM12 IC. Because it is a monolithic circuit, the LM12 IC is an effective and […]

Filed Under: Audio and Amplifier Projects Tagged With: 100, Amplifier, LM12, Watt

10 Watt Stereo Amplifier Circuit Diagram

Last Updated on May 15, 2026 by Swagatam 6 Comments

block diagram

With a simple design, this 10 watt stereo amplifier circuit offers good dynamics and excellent bass reproduction. Although its power output is modest, at 2 x 10W RMS, it allows for comfortable use in small-sized rooms, such as apartments. When paired with speakers with a minimum power rating of 20W, it will provide complete satisfaction. […]

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

Control Lights, Fan, using TV Remote [Full Circuit Diagram]

Last Updated on June 18, 2023 by Swagatam 15 Comments

infrared red remote control using TV remote

In today’s world, the idea of control is strongly connected to the ability to use remote devices. Home automation, known as domotics, allows us to switch ON/OFF various things such as televisions, hi-fi systems, blinds, curtains, garage gates, and even the brightness of lights using a small control unit. The signals for controlling these devices […]

Filed Under: Remote Control Circuits Tagged With: Control, Full, Lights, Remote, TV

Solar Battery Charger using LM339 Comparator

Last Updated on December 4, 2023 by Swagatam 13 Comments

LM339 solar battery charger circuit

This small LM339 based solar battery charger setup is designed to optimize the charging of your battery using any solar panel while protecting it from accidental overloads. Considering the extended battery life it allows you to achieve, it is an investment that quickly pays for itself. Circuit Description Our setup is nothing more than a […]

Filed Under: Solar Controller Circuits Tagged With: Battery, Charger, Comparator, LM339, Solar

Glittering LED Flower Circuit [Multicolored LED Light Effect]

Last Updated on June 8, 2026 by Swagatam Leave a Comment

LED flower circuit

The glittering LED flower circuit we are presenting here holds significant importance in our artistic city and offers no particular interest other than delighting your view with various multicolored and varied light effects. This luminous LED flower is also unique in its design, allowing ample room for everyone’s creative sense. The goal is to control […]

Filed Under: Lamps and Lights Tagged With: Effect, Flower, Glittering, LED, Light, Multicolored

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