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Automatic

Arduino Automatic School/College Bell System

Last Updated on May 16, 2026 by Swagatam 73 Comments

LCD connx

In this post I will show how to construct an automatic school bell/college bell system using Arduino, 16 x 2 display and real time clock module. You can program this project to ring the bell up to 16 times a day at your preferred hour and minute. The length of the bell ring can be […]

Filed Under: Arduino Projects, Automation Projects Tagged With: Arduino, Automatic, Bell, College, School, System

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

Automatic Hand Sanitizer Circuit – Fully Contactless

Last Updated on May 16, 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 Door Circuit using PIR – Touchless Door

Last Updated on May 16, 2026 by Swagatam 14 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

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

Hen House Automatic Door Controller Circuit

Last Updated on May 16, 2026 by Swagatam 36 Comments

lightdependantdoorlock

In this article I have explained an automatic door mechanism circuit that responds to the ambient light conditions by keeping the door open during day time and closed during night. Here the application is used for operating a hen house door. The idea was requested by Mr. Gavin Sweet Technical Specifications I have a project […]

Filed Under: Automation Projects Tagged With: Automatic, Controller, Door, House

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