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Automatic Curtain Open-Close Circuit

Last Updated on February 28, 2025 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

Automatic Door Controller Circuit Diagram using a Single Push-Button

Last Updated on January 17, 2025 by Swagatam 17 Comments

door controller circuit

This door controller circuit works in this way: Initially the door is in the closed state. When a push button is pressed, the door begins opening until it reaches the end of the course. When it reaches the end, it automatically reverses its direction and now the door begins closing. It keeps moving until it […]

Filed Under: Motor Controller Tagged With: Automatic, Button, Controller, Door, Push, Single

Day/Night Triggered Automatic Door Lock Circuit

Last Updated on January 31, 2024 by Swagatam Leave a Comment

darkness activated door lock circuit

In this post I have explained a simple day, night triggered automatic door lock circuit, which can be used for autonomously unlocking a kennel door during day break, and locking it when night sets in. The idea was requested by an avid reader of this blog, Mr. Norman, as given below. Design Request and Specifications […]

Filed Under: Automation Projects, Pets and Pests Tagged With: Automatic, Door, Lock, Night, Triggered

Automatic Night Activated Wireless Light Circuit for Paintings

Last Updated on January 10, 2024 by Swagatam 12 Comments

single relay 433 MHz remote control switch

In this article I have explained a basic wireless LED light circuit that may be used to autonomously turn on LED lights to illuminate artworks at nighttime.

Filed Under: Automation Projects, Lamps and Lights Tagged With: Activated, Automatic, Light, Night, Paintings, Wireless

7 Automatic Street Light Circuits [Using Relays and Solar Panel]

Last Updated on September 2, 2024 by Swagatam 35 Comments

simple single transistor street light circuit

In this article I will elucidate 7 useful yet simple automatic street light circuits using 220 V relays and solar panel. All the presented circuits can be used for automatically switching a lamp ON during night time and OFF during day time. What is an Automatic Street Light System An automatic street light system is […]

Filed Under: Automation Projects, Lamps and Lights Tagged With: Automatic, Circuits, Light, Relays, Solar, Street

Automatic Door Circuit using PIR – Touchless Door

Last Updated on January 3, 2024 by Swagatam 12 Comments

PIR gate controller

Along with social distancing and masks, the other major thing the post COVID-19 era has compelled the world to implement is to go touchless. This is being recommended for the many public devices, such as doors, hand sanitizers, buttons, switches etc. in order to restrict the spread of viruses that may be caused due to […]

Filed Under: Automation Projects Tagged With: Automatic, Door, PIR, Touchless

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