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Controlled

Simple Remote Controlled Curtain Open/Close Circuit Diagram

Last Updated on January 17, 2025 by Swagatam 23 Comments

remote controlled curtain open close circuit diagram

In this article I will explain a simple curtain controller circuit designed by me which can be used to control the opening and closing of a curtain through a remote control. Overview Referring to the circuit diagram in your screen, we can see there are just two relays employed for implementing a remote controlled opening […]

Filed Under: Remote Control Circuits Tagged With: Close, Controlled, Curtain, Open, Remote, Simple

PIR Controlled Solar Garden Light Circuit

Last Updated on January 22, 2025 by Swagatam 6 Comments

PIR controlled automatic solar garden light circuit

In this post I have explained a simple automatic PIR controlled solar garden light circuit which will switch ON the LEDs only under two conditions: when it is completely dark and when a human being is detected in the vicinity. The above feature of the circuit ensures that the LEDs are turned ON only when […]

Filed Under: Solar Controller Circuits Tagged With: Controlled, Garden, Light, PIR, Solar

Convert any Existing AC Lamp into Timer Controlled Lamp

Last Updated on June 22, 2023 by Swagatam Leave a Comment

converting any lamp into a timer controlled lamp

The proposed push button timer circuit module can be directly integrated with any existing switch contacts of a lamp and enable the lamp to be converted into a timer controlled lamp. A common problem arises whenever one wants to replace a mains AC lamp controlled by a switch with a timer or a time switch. […]

Filed Under: Timer and Delay Relay Tagged With: AC, Controlled, Convert, Existing, Lamp, Timer

3 Laser Beam Controlled Circuits Explored

Last Updated on January 20, 2025 by Swagatam 12 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

Temperature Controlled Relay Switch Circuit

Last Updated on January 2, 2024 by Swagatam 223 Comments

temperature controlled relay circuit

In this article I have explained a simple temperature controlled relay circuit which can be switched ON/OFF depending on the temperature on its temperature sensor. Meaning, when the temperature on its temperature sensor rises above a set threshold point, the relay switches ON, and when the temperature drops below the threshold, the relay switches OFF. […]

Filed Under: Temperature Controllers Tagged With: Controlled, Relay, Switch, Temperature

Light Controlled Sound Effect Generator Circuit

Last Updated on December 16, 2021 by Swagatam 6 Comments

light operated music effect generator circuit

This unique circuit allows you to create many different sound effect outputs simply by moving your hands over a couple of light dependent resistors, by varying the intensity of incident light over the LDRs. By Ramesh Powar The generator has two different cells LDRs that control a sound – burst oscillator circuit. One LDR controls the tone […]

Filed Under: Audio and Amplifier Projects Tagged With: Controlled, Effect, Generator, Light, Sound

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