Interfacing gyroscope to arduino

praveen December 9, 2014 3 Comments
Interfacing gyroscope to arduino uno. This article is about interfacing gyroscope to arduino. Gyroscope is a device used for measuring the angular velocity in the three axes. It works under the concepts of angular momentum and can be used...
read more

LPG sensor using arduino

praveen November 18, 2014 6 Comments
LPG sensor using arduino with alarm and cutoff. A simple LPG sensor using arduino is shown in this article. This circuit indicates the amount of LPG in the air. The circuit  sounds an alarm and trips a relay  when...
read more

8051 Timers and Counters

jojo October 27, 2014 3 Comments
In this article, we focus on Timers/Counters of the 8051 micro controller. The 8051 has two counters/timers which can be used either as timer to generate a time delay or as counter to count events happening outside the microcontroller....
read more

Water level controller using arduino

praveen October 9, 2014 10 Comments
Arduino water level controller / indicator. This article is a about a fully functional water level controller using Arduino. The circuit displays the  level of water in the tank and switches the motor ON when the water level goes...
read more

Tachometer using arduino

praveen January 13, 2015 10 Comments
Digital tachometer using arduino plus speed control. Tachometer is a device used for measuring the number of revolutions of an object in a given interval of time. Usually it is expressed in revolutions per minute or RPM. Earlier tachometers...
read more

Motor speed control using arduino

praveen June 12, 2014 5 Comments
PWM motor speed control using Arduino. PWM or pulse width modulation is a very common method used for controlling the power across devices like motor, light etc. In PWM method the power across the load  is controlled by varying...
read more

Digital code lock using arduino

praveen April 22, 2015 11 Comments
Simple digital code lock using arduino. Digital code lock or digital combination lock are a type of  digital locks where a combination of digits/characters or both are used for unlocking the lock. This article is about a simple digital...
read more

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...
read more

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....
read more

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...
read more

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...
read more

Voltmeter using arduino

praveen June 19, 2014 7 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...
read more

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...
read more

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...
read more