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Automatic Curtain Open-Close Circuit

Last Updated on June 30, 2026 by Swagatam Leave a Comment

We are happy to share an automatic curtain control circuit kindly provided by Mr. August Peterson. This design helps to open and close curtains by sensing light from the surroundings. It uses an LM393 comparator, a solar panel as a light sensor and a 24V motor. The circuit makes the curtain open in the morning […]

Filed Under: Motor Controller Tagged With: Automatic, Close, Curtain, Open

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

Simple Gate Open/Close Controller Circuit

Last Updated on June 30, 2026 by Swagatam 84 Comments

gate2Bopen2Bclose2Bcircuit

The simple gate open and close controller circuit is designed to operate the gate through a couple of push buttons manually, it can be also modified for implementing the activation through a remote control. How it Works Referring to the shown, simple gate open, close controller circuit below, we can witness a rather straightforward configuration, […]

Filed Under: Motor Controller Tagged With: Close, Controller, Gate, Open, Simple

Automatic PWM Door Open/Close Controller Circuit

Last Updated on January 2, 2024 by Swagatam 5 Comments

pwmmotorcontrol

In this post I have explained a simple PWM controlled automatic turnstile or door circuit featuring an automatic open/close action via a photo-interrupter stage. The idea was requested by Mr. Bruce Clark. Technical Specifications Thank you for a really fantastic service you provide. Would you please be so kind as to help me with a […]

Filed Under: Sensors and Detectors Tagged With: Automatic, Close, Controller, Door, Open, PWM

Car Door Close Optimizer Circuit

Last Updated on May 16, 2026 by Swagatam 18 Comments

In this post I have explained and tries to solve a common car door opening issue which may be seen in quite a few old model cars. The proposed circuit of a car door close optimizer was requested by Mr. Mark Rothwell. Technical Specifications Just stumbled across your site, hope you can help/advise me?I have […]

Filed Under: Automobile Electronics Tagged With: Close, Door, Optimizer

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