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Make this Home Security Project Using Arduino – Tested and Working

Last Updated on May 14, 2026 by Swagatam 2 Comments

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In this article we are going to see how to build a home security system circuit using arduino which might save your home from intruders one day. Housebreaking happens every few seconds in the world. By the time you read this sentence, crooks already broke into someone’s house. A golden rule: Prevention is better than […]

Filed Under: Arduino Projects Tagged With: Arduino, Home, Project, Security, Tested, Working

Make this 7 Segment Digital Clock with Beep Alert Circuit

Last Updated on May 14, 2026 by Swagatam 58 Comments

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In this post I will show how to construct a digital clock using 7 segment LED display with Arduino controlled design. How the Circuits Works The proposed 7 segment clock circuit is inexpensive and even beginner in Arduino can accomplish it with ease. This clock consists of four 7 segment displays, two for hours and […]

Filed Under: Arduino Projects Tagged With: Alert, Beep, Clock, Digital, Segment

How to Make a Simple Math Calculator using Arduino

Last Updated on May 14, 2026 by Swagatam 2 Comments

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In this post, I will show how to construct a calculator using Arduino, which can perform far complex arithmetical calculation than an ordinary calculator. Program: //——————-Program Developed by R.Girish—————// #include<math.h> float a = 500; float b = 105.33; float add; float sub; float divide; float mul; void setup() { Serial.begin(9600); Serial.println(“Simple Arduino Calculator:”); Serial.println(“n”); Serial.print(“a […]

Filed Under: Arduino Projects Tagged With: Arduino, Calculator, Math, Simple

Arduino IR Remote Control Circuit

Last Updated on May 14, 2026 by Swagatam 10 Comments

IRremote

In this post I will show how to construct a customizable Arduino based IR (infrared) based wireless remote control switch, which consists of IR remote and a receiver, you may modify according to your needs. In the later part of the article I have explained about an upgraded foolproof version of an IR remote control […]

Filed Under: Arduino Projects, Remote Control Circuits Tagged With: Arduino, Control, IR, Remote

How to Make LED Air Pollution Meter Circuit with Arduino

Last Updated on May 14, 2026 by Swagatam 3 Comments

In this project I will show how to construct an air pollution meter using MQ-135 sensor and arduino. The pollution level in the air is indicated by series of 12 LED. If higher the number of LEDs glows, the higher the pollution content in the air and vice versa.   Overview This project can prove […]

Filed Under: Arduino Projects Tagged With: Arduino, LED, Meter, Pollution

GSM Fire SMS Alert Project

Last Updated on May 14, 2026 by Swagatam 16 Comments

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In this article I will show how to construct a GSM fire alert circuit system using Arduino and DHT11 sensor, which will alert the user via text message (SMS), regarding a fire hazard within the premise where it is installed. Using DHT11 Sensor We are using DHT11 sensor for sensing unusual temperature rise around the […]

Filed Under: Arduino Projects, Security and Alarm Tagged With: Alert, Fire, GSM, Project, SMS

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