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Talking voltmeter Using Atmega644

The Handy Lab Buddy is a tool every ECE should have. The four features of this tool include a talking voltmeter, logic probe, voltage averager, and frequency measurer. As a cheap and accurate device that outputs whatever being measured through speakers, it's one of its kind and an essential tool for lab work. Summary Have you ever tried to debug a circuit and just wished your voltmeter would talk to you? Or ...

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Zigbee Wireless Relay Control and Power Monitoring System Using Atmega644

Introduction We designed a system for wirelessly controlling relays and monitoring current. This is used for a home load simulation. By wirelessly turning relays on and off by sending commands from a PC to a microcontroller we can change the total load (current) to our simulated home. For wireless communication, we used XBee Series 2 Zigbee RF modules. One of these modules was connected to a microcontroller ...

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Self-Adaptive Hybrid Electro-Magnetic Levitation and Active Balancing System Using Atmega644

Introduction In short, our project is just an isolated floating plate. Just as our title explained, it is mainly a floating plate that is segregated from all outside vibration using electromagnetic force. This purpose of the project is to design a system that complements common passive shock absorption mechanics and enhances their performance. The main idea of the project is that if we can provide instant s ...

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Digital Oscilloscope Using Atmega644

Introduction The goal of our project is to design a digital oscilloscope with 20 kHz bandwidth. The scopes that we use in ECE 4760 lab cost over one thousand dollars. The motivation of our project is to produce an affordable, easy to make oscilloscope for students or other engineers who cannot afford to buy a manufacturers oscilloscope. We are aiming for a range of up to 20 kHz and the waveform is displayed ...

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CUAUV Voltage Sniffer Using Atmel Mega32

Introduction The Cornell University Autonomous Underwater Vehicle team (CUAUV) is an undergraduate engineering team that designs and builds a fully autonomous, robotic submarine. Over the past year, the team – of which both Manoj Lamba and Ian Wang are members – has had a stringent policy of testing the vehicle weekly at Cornell’s Teagle pool. Each session focuses its three hours on testing a few components ...

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Galvanic skin response meter using Atmel mega32

Introduction Our project measures the user's skin conductance for monitoring his or her mental state. Summary Medical experiments have shown that the magnitude of the electrical conductance in a person's skin is directly correlated to their emotional state. The short term changes in electrical conductances also correlate with a person's mental response. We implemented an EDA meter designed to measure skin c ...

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A Wand Based Barcode Scanner Using Atmel MEGA32

Introduction: Our project is a UPC-A Barcode Scanner complete with a pricing/description database interface. Our original goal for this project was to build a standard barcode scanner from scratch, but as the project evolved so had to our specification of the project.  We initially sought to build a charge-coupled device (CCD) scanner, which scans the entire barcode at once.  This, however, required parts b ...

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