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Automation Projects

Automatic Night Activated Wireless Light Circuit for Paintings

Last Updated on June 8, 2026 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

Control a Relay ON OFF Using SIM Card, Mobile Phone, and Arduino

Last Updated on May 25, 2026 by Swagatam 8 Comments

This project I will explain how we can control a relay remotely using a SIM card and a normal mobile phone, with help of Arduino and a GSM module. The relay can be turned ON or OFF by sending an SMS or by making a phone call to the SIM card placed inside the GSM […]

Filed Under: Arduino Projects, Automation Projects, Wireless Circuits Tagged With: Card, Control, OFF, ON, Relay, SIM

Automatic Hand Sanitizer Circuit – Fully Contactless

Last Updated on May 24, 2026 by Swagatam 128 Comments

hand saitizer dispenser

In this article I have explained how to make a low cost yet fully automatic hand sanitizer dispenser circuit which will allow a touch-free or contactless dispensing of the sanitizing liquid on the user’s hands. This contactless hand sanitizer circuit facilitates the user to access the sanitizing liquid on hands automatically without the need of […]

Filed Under: Automation Projects, Health related Projects Tagged With: Automatic, Contactless, Fully, Hand, Sanitizer

Automatic Street Light Dimmer Circuit

Last Updated on May 16, 2026 by Swagatam 21 Comments

distanceinfo

In this post I will show how to construct an Arduino automatic street light dimmer circuit, which can reduce its brightness when no vehicle is passing in the road to save power. Overview We will be exploring the methodology of sensing the vehicle or human being without false detection which may occur due to animals […]

Filed Under: Arduino Projects, Automation Projects Tagged With: Automatic, Dimmer, Light, Street

Simple Tea Coffee Vending Machine Circuit

Last Updated on May 16, 2026 by Swagatam 17 Comments

coinslot

A simple tea, coffee vending machine circuit idea is explained here which allows a customer to access the beverage with a press of a button and by inserting a genuine 5 rupee coin. The idea was requested by Mr. Ramesh. Circuit Objective and Requirement I need the water puling mechanism like coffee vending machine if […]

Filed Under: Automation Projects Tagged With: Coffee, Machine, Simple, Vending

Automatic Sliding Gate Controller Circuit

Last Updated on May 16, 2026 by Swagatam 86 Comments

slider2Bgate2Bcontroller

In this post we investigate a circuit, designed for implementing an automatic sliding gate or door action, and includes a set of features as specified in the request. The idea was suggested by Mr. Andreas. Technical Specifications Can you help me to design a simple sliding gate controller. How can work its like this…Press a […]

Filed Under: Automation Projects Tagged With: Automatic, Controller, Gate, Sliding

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