Sensor – Transducer – Detector Projects

Optical eye tracking Using Atmega644

Optical eye tracking Using Atmega644

Introduction We have endeavored to develop a means by which eye gaze can be detected. This goal was achieved using the same principles learned in Lab4, where we recorded the motor speed of a small hub fan using the combination of IR emitter plus phototransistor, henceforth referred to as an emitter-phototransistor pair. High Level DesignSeveral […]

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Ultrasonic Haptic Vision System using Atmega644

Introduction The ultrasonic haptic vision system enables a person to navigate hallways and around large objects without sight, through the use of an ultrasonic rangefinder that haptically interfaces with the user via tiny vibrating motors mounted on the users head.  The idea behind this project was to construct a sixth sensory system that interacts with

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Haptic appointment manager Using Atmega644

Introduction The Haptic Appointment Manager manages all of an individuals appointments, ensuring they arrive on time and in the right location by subtly guiding them throughout the day. This system uses a GPS receiver and a compass to maintain awareness of its absolute and rotational position. By interfacing with a calendar of time stamped waypoints,

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LED Sensor Piano Keyboard Using atmega644

Introduction Our project utilizes an array of LEDs that work as light sensors to generate a musical tone, simulating a piano keyboard. The basic idea is to use LEDs as both emitters and sensors. For our project specifically, we used a total of 63 LEDs, 9 for each of the seven natural keys. Only the

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Detecting Encoder Edges and Recording Data

Traction control system Using Atmega644

Introduction For our ECE 4760 Final project we have developed a traction control system that detects wheel slip and adjusts the velocity of the wheels accordingly. Robotic vehicles are becoming increasingly complex and often need high levels of movement control. Specifically, when the wheels of a vehicle begin to slip, it is optimal to adjust

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ACL Research: Foot Acceleration Sensor Atmega324p

Introduction This project was designed to aid a research study by Cornell Professors Bob Nafis and Yingxin Gao on the reasons behind the higher rate of ACL injuries suffered by female athletes. This injury rate can be up to three to eight times higher than the rate of similar injuries suffered by male athletes. The

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Fart Intensity Detector Using Atmega644

INTRODUCTION Our project is a fart intensity detector which ranks fart magnitude on a scale from 0-9 according to sound, temperature, and gas concentrations. The inspiration for this project was to determine who could generate the worst flatulence measurable in a personally unbiased manner. To do so, however, requires measuring the intensity of these emissions.

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The Autonomous Tennis Ball Picker Using Atmega644

Introduction and Motivation In the tennis and sports equipment market, there are very few advanced electronic devices assisting in the feeding and picking of tennis balls or any other kind of balls. Tennis players do not prefer picking up over five hundred balls after a long days worth of drilling, or a baseball player would

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Multisensor Data Transmission Using Atmega32

Introduction For our final project we built a prototype of a circuit intended for a picosatellite that measures temperature and acceleration, sending the information wirelessly back to a base station receiver. The N-Prize is an amateur rocketry competition challenging groups to launch a very small (10g-20g) satellite into orbit for less than $2000, and track

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