Interfacing hex keypad to arduino

praveen December 5, 2014 5 Comments
Interfacing hex keypad to arduino uno. This article is about how to interface a hex keypad to arduino. Hex keypad is a very important component in embedded systems and the typical applications are code locks, calculators, automation systems or...
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Digital thermometer using arduino

praveen June 19, 2014 9 Comments
Digital thermometer using arduino and LM35. This article is about a simple three digit digital thermometer using arduino. Range of this thermometer is from 0°C to 99.9°C. There is also a provision for displaying the temperature in °F scale....
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Temperature logger using arduino

praveen May 20, 2014 4 Comments
Simple temperature logger using arduino (°C & °F). This project is about a simple USB temperature logging system using arduino uno and the serial monitor function in the arduino IDE. The system monitors the temperature every 2 seconds and shows...
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Ultrasonic range finder using arduino

praveen June 19, 2014 6 Comments
Ultrasonic range finder using arduino. Ultrasonic range finder using 8051 mictrocontroller has been already published by me in this website. This time it is an ultrasonic range finder using arduino. HC-SR04 ultrasonic range finder module is used as the...
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Voltmeter using arduino

praveen June 19, 2014 8 Comments
0-5V voltmeter using arduino. This article is about a simple 3 digit voltmeter using arduino. The circuit can measure anything between 0 to 5V at an accuracy of 50mV. The circuit uses minimum number of external components and can...
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Line Follower Robot using Arduino

praveen August 13, 2017 37 Comments
Line Follower Robot using Arduino – DIY Electronic Project A line follower robot using 8051 microcontroller is already published here and this time the same thing is done using  arduino. This line follower robot is basically designed to follow...
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Simple LED Projects using Arduino

jojo April 4, 2014 3 Comments
This article is another step forward in learning more about Arduino.  In our previous article, I have written in detail about blinking an LED using Arduino. We have demonstrated 5 simple led based projects using arduino, which will help...
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3 Good Books to Learn Power Electronics

john March 20, 2014 No Comments
Power electronics is the most classified field in electronics where the switching process in power supplies, power converters, inverters, and motor drivers are carried out. A wide application of different electronic components like Diodes, Transistors, MOSFET’s, Thyristors, SCR, GTO,...
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4 Books to Study Digital Electronics

john March 20, 2014 3 Comments
From laptops to mobiles and cars to kitchen appliances, human efforts have been significantly reduced by the introduction of digital devices. As a student, it is essential for all of us to know the basics of digital electronics. CircuitsToday...
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Invention History of Television

john December 12, 2013 1 Comment
Popularly called the “idiot box,” the television has become a vital part of our lives. Can you remember the days when there wasn’t a television set at your home? But, when and how was the television invented? Who was...
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The Invention Story of Barcodes

john December 11, 2013 No Comments
Without the application of barcodes, sales at stores would have been a very tedious process. The bar codes help a lot in effectively keeping an eye over the sold out items in a store. The brain behind the invention...
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Invention Story of Mobile Phone

john November 28, 2013 4 Comments
Mobile phone, the most common gadget in the present era, is considered as the greatest gift to the mankind. Can you ever imagine life without this device? No wonder the mobile phone has become an indispensable part of our...
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