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Latest Issues


    D O-I T-Y O U R S E L F  P R O J E C T S






Arduino-based Gauss Meter

Presented here is a handheld device that can be used to measure magnetic field using a Hall effect-based sensor. The device can be used in the physics lab for conducting various experiments on magnetism.

Soccer Robot

This soccer robot can move forward, reverse, forward-left, forward-right, reverse-left and reverse-right with the help of an Android phone. The speed of its movement is controlled by the angle of rotation of the phone.

Weather Logger

Presented here is a personal weather logger whose various transducers are used to log weather data such as humidity, atmospheric pressure and temperature. The data is transferred to PC where it is displayed as a graph for analysis.

Energy Meter

Presented here is a simple energy meter using Analog Device’s ADE7757 chip for single-phase, 2-wire (phase and neutral) systems used in households.

Colour-Sensing Robot with MATLAB

Presented here is a MATLAB-based project where images taken by the camera are processed for colours and the position of a red-coloured object is extracted out of the image.

Web-Based Water-Level Monitor and Pump Controller

Presented here is a Web-based water-level monitor and motor-pump controller using ATmega128 microcontroller, Ethernet controller ENC28J60 and TCP-IP protocol. The design involves the use of port-forwarding facility of broadband modem or router.

Real-Time Clock with Temperature Logger

Presented here is a simple real-time clock with temperature logger. The project shows time, date and real-time temperature on the LCD. The logger records the maximum and minimum temperature for each day and can keep entries for 51 days.

Safety Timer for Home Appliances

When power requirement in certain areas increases, it tends to put an extra burden on the power station distributing power, which can lead to over and under voltage issues within those areas. This project not only ensures under and over voltage cutoff, but also displays the mains voltage over LCD.

Arduino-Controlled Namaste Greeting Robot

The concept of controlling various servo motors through Arduino Uno board is introduced here with a fun project called ‘namaste robot.’ The robot turns its head by 180° and scans people in its range using an ultrasonic module.

Solar-Powered Home Lighting System

This project suggests a system that uses solar power and LED lighting technology in a more efficient way.

RF-Controlled Aircraft

Presented here is a remote-controlled aircraft project based on Arduino and 433MHz RF modules controlling a brushless DC motor and three servo motors.

Programmable Interval Timer for Live Shows

Presented here is a microcontroller-based special-purpose programmable interval timer for live shows and competitions to record time while the contestants are performing.

Serial LCD Module

The presented serial LCD module can convert any 16×2 alphanumeric LCD display to a serial LCD which communicates with the main controller using serial communication technique.

Car-Reversing Audio-Visual Alarm

Here is a simple car-parking alarm circuit based on an AVR microcontroller and an ultrasonic module. The circuit will alert you while you are reversing your car for parking, if there is any obstacle, through an audio-visual alarm.

Power Factor Corrector

This project discusses the need for power factor correction and provides a suitable DIY solution that could be used for small-scale industries and establishments.

Microcontroller-Based morse Code Encoder

Morse code is a method of transmitting textual information as a series of on-off tones, lights or clicks that can be directly understood by a trained listener without using any special equipment. The International Morse Code encodes alphabets, numerals and a small set of punctuation and procedural signals as standardised sequences of short and long signals called ‘dots’ and ‘dashes,’ respectively.

1.5w Power Amplifier

Here we put all the theory to work and present a simple power amplifier module that can be easily built with readily available components. The block diagram of the amplifier is shown in Fig. 1. It is typical of most audio amplifiers, although the circuit is somewhat different.

Automatic Headlights Switcher

Automatic headlamps are the latest convenience in today’s cars. These eliminate the need for the driver to manually switch on or switch off the headlamps in most driving situations. The automatic headlight system reacts like the human eye to outside light levels and independently turns the lights on and off when needed. Such a system offers both safety and convenience.

Put your own Smiley on GlCD

The regular 16×2 LCD can display characters of only certain dimensions. A graphical LCD (GLCD), on the other hand, can display custom graphics. GLCDs are therefore highly suitable for mobile and industrial applications.

Rainbow Clock

Here is a simple circuit using different colour LEDs that makes your clock glow in different colours of rainbow. The clock’s dial is lit by colour LEDs around it that glow one by one.

Buffer and Driver for Square-Wave Signals

Most square-wave generators have a single output that doesn’t have a high driving capability/slew rate or is not adjustable in the required amplitude range. Also, when conducting experiments or testing the electronic equipment, the errors are frequent and there is a high probability of damage to the digital generator output.

Introducing gEDA The Open Source EDA Tool

gEDA offers a very mature suite of free software packages for complete project design cycle. However, there are three main roadblocks to the success of gEDA—use of Linux platform, discontinued gEDA manager development and documentation not being very recent. Here we discuss ways to overcome these hassles

 
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