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Wireless Pedometer Using Atmega1284

Introduction There’s a simple question asked by runners, walkers, joggers, and anyone who moves. How fast am I going? Runners want to pace themselves, athletes are trying to train for events, and even on a day to day basis you might wonder how far you are travelling. There are various existing methods of measuring pace, including step counters, GPS units, and smartphone applications. Pedometers are a common ...

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Optical microphone and spectrum analyzer Using Atmega1284

We implemented an optical microphone which converts distant vibrations, including sound, to an audio signal. Measuring the reflection of a laser beam from windows or glass, it possible to hear sounds near the target. The system also includes frequency spectrum analysis with a real-time display and user-configurable ranges, and it also has an output for headphones to monitor the signal. This may be useful, f ...

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NFC Secure Data Storage Using Atmega644

Summary "Enabling secure storage capabilities for sensitive data through standardized methods of encryption or multiple agent distribution." Our group chose to implement a secure form of storage for sensitive information such as passwords or identification numbers. This is modeled after Shamirs secret sharing algorithm. It allows us to distribute information regarding the secret key among several agents. In ...

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Radio Station Tracker Using Atmega644

Our project is inspired by the commercial product, PicoDopp, which uses a similar scheme for foxhunting. Foxhunting is a contest where participants try to locate a transmitter, called the fox, simply by monitoring the signals it transmits. Typically this is done using highly directional antennas — antennas that only receive signals from one direction. However, over short distances, especially within distanc ...

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MAD-DOG Kick-Awesome Wi-Fi Audio Streamer Using Atmega644

Introduction "We developed a wireless receiver capable of receiving and playing audio transmitted over an 802.11 Wi-Fi network" project soundbyte For our ECE 4760 final project we developed a wireless receiver capable of receiving and playing audio transmitted over an 802.11 Wi-Fi network. Our system was constructed using an Atmel ATxmega256A3U microcontroller and a RN-XV Wifly module made by Roving Network ...

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RFID sales checkout system Using Atmega644

Introduction The Elevator Pitch We successfully implemented a prototype RFID checkout system that will enable consumers to instantly pay for their entire purchase upon arrival at the register, increasing customer satisfaction, reducing retailer costs, and ultimately lowering consumer prices. Summary Shopping in the present day usually involves waiting in line to get your items scanned for checkout. This can ...

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RFID based Mobile Payment System Using Atmega644

Introduction and Rationale We used our ECE 4760 final project as a platform to develop a proof of concept for Mivo. Mivo is a low-cost, stripped down mobile payment system. Our prototype combines Radio Frequency Identification (RFID), Security Pin Authentication and Ethernet Data Transfer to provide a prototype for a low-cost secure payment system that has the potential to change lives in rural areas of dev ...

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