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PROJECT PROPOSAL 1. Team Members: Maisee Brown Hoang Nguyen Chris Andrews Omar Alattar 2. Four ideas for the term project: Inertial Guidance System (IGS): An IGS system is used to determine location relative to a reference point independent of outside stimulus like magnetic fields, radio waves, GPS signals, etc. In this project, we want to use accelerometer sensors and gyroscope to determine the movement of human body; and a microcontroller will analyze these signals and recognize certain movement patterns as particular ASCII characters. Therefore, we could make a human/machine interface device for typing based on IGS. RFID: the target is to build an RFID-based system where the user activates RFIDs on their clothing to send signals to change the temperature in the room or select a song on their iPods. The RFIDs for the project could be manufactured ourselves using some attainable printer technology. Linear Variable Differential Transformer (LVDT). The LVDT is a sensor that converts linear mechanical displacement to a DC voltage signal. This device can be highly accurate (several millionths of a meter resolution) and robust (there is no electrical or mechanical connection between the moving and non-moving parts) making this device employable in corrosive environments. The idea is to develop a LVDT which is employable in a machine shop or manufacturing environment with a portable power supply. The LVDT would be designed to have a resolution 10 times better than conventional mechanical travel indicators and could also network with a computer and download real-time position information that could be analyzed by software to determine out of round condition in shafts, machinery vibration, etc... The hardware would be robust and the software flexible enough to be utilized in a real manufacturing setting to calibrate machines and detect manufacturing defects by machinists or technicians. Digital Pong: The idea is to build a board with 3 rows of LEDs that represent the motion of a ball across the table. There are two players that send signals to the board via infrared sensors to control the ‘ball’. The blinking speed of each LED row will be increased over time in order to increase the difficulty level. 3. The method used to choose the final project is based on these criteria: Feasibility: this criterion is used to evaluate the project complexity. A project with more points will have a higher possibility of being accomplished in 9 weeks. Uniqueness level: this criterion is used to evaluate the originality of the projects. A project with a higher score means few or nobody has done it before. ECE 411 Page 1 PROJECT PROPOSAL Applicability: this standard is used to see if the project is applicable to some real world problem. For example, Digital Pong table is made for entertainment. Therefore, we will consider its applicability in terms of playability and entertaining value. A project with higher point will have higher applicability level. Skill set: this is used to consider the variety of technical skills needed to accomplish the project. A higher score means that the workload distributes well across the skill sets of the team members. Grading potential: this criterion is used to evaluate which project will have a higher potential to get an ‘A’ after being finished. All criteria are on a 0-5 scale. Project Feasibility Uniqueness level 3 Applicability Skill Set Inertial 1 4 5 Guidance System (IGS) RFID 2 4 4 4 Linear Variable 1 4 4 4 Differential Transformer (LVDT) Digital Pong 4 4 4 5 Based on the table above, we decided to choose Digital Pong as our final decision. ECE 411 Grading Potential 5 Total point 18 5 5 19 18 5 22 Page 2 PROJECT PROPOSAL Digital Pong Table Project Team: Maisee Brown Hoang Nguyen Chris Andrews Omar Alattar Project Wiki: https://projects.cecs.pdx.edu/projects/fa2011ece411-pong Components involved: Atmel ATMegaxxx processor 2 shift registers 2 to 4 Decoder 2 8x8 LED Matrices 2 seven segment displays Miscellaneous wires and other small components Description of project: The project will be a game board contrived from the concept of the digital pong game. It will be a two player game. Our board will contain a matrix of LEDs where each row will be a track the lights will “run” on. The lights will bounce from one side to other with each player signaling infrared sensors, with some sort of paddle, to “catch” the light on the row coming at them and signal another infrared sensor to return the lights on the row of their choosing. The speed of the lights will incrementally speed up after each player has had the same number of tries at each speed. Points will be awarded to the other player when a player fails to catch and return the lights. The score of the current game will be kept on two seven segment displays and when a player reaches nine the winning score will flash to signify the end of the game. We will also have a level indicator that will increment as the speed level increases. A possible addiction, if time permits, is to add an option of playing a one player game against the computer for practice purposes or to see how high of a speed level the player can reach on their own. ECE 411 Page 3