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Part 2 of 3: Using AVR Microcontroller for Projects

EFY Bureau
In the first part of this article, we had described the main features of the AVR microcontroller and the hardware/software required for an AT-PROG...

Standalone GPS Receiver with LCD Display

EFY Bureau
This AVR microcontroller-based global positioning system (GPS) receiver can be used to find the exact location of a place and know its standard time....

Interactive Braille Tutor with Speech Assist Capability

EFY Bureau
SEPTEMBER 2012: Whenever science and humanity come together, the world rejoices. This time it’s a device developed by Nagendra Setty, CEO of Ideas Unlimited....

Cryptography Mechanisms For access Control in Wireless Sensor Networks

EFY Bureau
Security allows wireless sensor networks (WSNs) to be used with confidence. Without security, the use of WSN in any application domain would result in...

IR Remote Controls: Ray of Hope for Cerebral Palsy Patients

EFY Bureau
Cerebral palsy is a disorder affecting one’s ability to move and maintain posture. Recent estimates reveal that India has more than four million cases...

Phoenix expEYES Low-cost Platform For PC-interfaced Science Experiments

EFY Bureau
Schools and colleges often focus on theory, forgetting that practical experiments teach students much more. Members of Inter University Accelerator Centre (IUAC), an autonomous...

Suraksha: Mobile Alarm for LPG Leakage

EFY Bureau
MAY 2012: Prevention is better than cure-especially to secure your home against possible fire due to LPG leakage when you are away on a...

Eight Channel Data Acquisition And Logging System

EFY Bureau
In environments like factories, power plants and transformers in electricity substations, controlling temperature to a safe value is important. Supervisory and control systems are...

Secure Digital Access System using iButton

EFY Bureau
Access control forms a vital link in a security chain. Here we describe a secure digital access system using iButton that allows only authorised...
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