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Arduino Projects

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

Line Follower Robot Circuit using Arduino

Last Updated on May 16, 2026 by Swagatam 9 Comments

IMG 20170904 143144

In this post I have explained how to build a line follower robot circuit using Arduino, which will run over a specifically drawn line layout and will faithfully follow it as long as it is available and traceable by its sensors. By Navneet Sajwan What is a Line Follower Robot An autonomous robot is a machine […]

Filed Under: Arduino Projects, Automation Projects Tagged With: Arduino, Follower, Line, Robot

Automatic Irrigation Circuit using Arduino

Last Updated on May 16, 2026 by Swagatam 7 Comments

In this post I will show how to construct an automated water irrigation system for small garden using arduino and soil moisture sensor. Introduction The proposed system can monitor the soil moisture level and when soil moisture goes below preset value, the 12V DC pump will be triggered for predetermined period of time. The status […]

Filed Under: Arduino Projects, Automation Projects Tagged With: Arduino, Automatic, Irrigation

Playing a Melody Using Arduino

Last Updated on May 15, 2026 by Swagatam 2 Comments

speaker schem

In this Arduino tutorial we will learn how to execute the tone() command for producing musical notes. The configuration will play a tiny musical tone that could be familiar to you.     Required Hardware for the Project Arduino BoardLoud speaker – 8 Ohm 1 inchResistor – 100 ohmsHook-up wires Procedure: It’s rather too straightforward […]

Filed Under: Arduino Projects, Audio and Amplifier Projects Tagged With: Arduino, function, Melody, Playing, Tone

Arduino Musical Tune Generator Circuit

Last Updated on May 15, 2026 by Swagatam 2 Comments

arduino2Bsiren

You can use this little Arduino musical tune generator circuit for a preferred application, such as for making an interesting door bell, as a car reverse horn, or music box for gifting somebody, or simply for personal amusement. Hardware Required The Hardware required for the project are given as follows: The Arduino is powered with […]

Filed Under: Arduino Projects, Audio and Amplifier Projects Tagged With: Arduino, Generator, Musical, Tune

Arduino Digital Clock Using RTC Module

Last Updated on May 14, 2026 by Swagatam 5 Comments

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In this post I will show how to construct a digital clock using RTC or Real Time Clock module. We will understand what “RTC” module is, how to interface with Arduino and what it does. By: RTC module is a circuit, which keeps track of current time accurately. It does two functions, it communicates with […]

Filed Under: Arduino Projects Tagged With: Arduino, Clock, Digital, Module, RTC

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