Accelerometer Mouse

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  • Topic: Universal Serial Bus, Pointing device, Human interface device
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The Development of Glove Mouse
"Accelerometric Computer Mouse"

Sandipan Bhuyan

B.Eng (Hons) Electronics and Computing
(satellites Technology)

University of Dundee


2Guide to the Report.4
2.2Project Management4
2.3.1Market Analysis4
2.3.3K8055 Experimental Board5
2.4System Requirements5
2.5System Architecture5
2Project Management6
3.1Market Analysis6
3.1.2[5]Accelerometer Mouse6
3.1.3Inertial mouse system6
3.2Human Interface Device7
4.2.1R2 2-Dimensional Movement7
4.2.2R3 Immediate Response7
4.2.3R4 3 Functional Buttons7
4.2.4R5 Left Button7
4.2.5R6 Right Button7
4.2.6R1 Movement7
4.3.1NFR1 Glove7
4.3.2NFR2 The device should Work7
4.3.3NFR3 Connection7
5Design And Architecture8
5.1Block Diagrams8
6.1ADXL203 Precision ±1.7g Dual-Axis iMEMS® Accelerometer9 6.2K8055 Velleman Experimental board9
7Implementation and Testing10
7.1Experiment 110
7.2Experiment 211
7.3Experiment 311
7.4Overview of the Procedures and Functions of the K8055D.DLL[10]12 7.5Experiment 412
7.6Experiment 513
7.7Experiment 613
7.8Experiment 713
7.9Experiment 814
7.10Experiment 1014
7.11Experiment 914
7.12Experiment 1115
7.13Experiment 1215
8.2Critical Appraisal15
8.3Future Work16
8.3.1Bluetooth Interfacing16

The Development of Glove Mouse
"Accelerometric Computer Mouse"

Sandipan Bhuyan
Final Year Project
B.Eng (Hons) Electronics and Computing
University of Dundee, 2005
Supervisor: Dr. Steve Parkes

Abstract –
The advent of Human Interface Devices (HID) has spurred the development of a variety of gadgets and gizmos which interacts directly with human feeding real time movements to digital data. Mouse, Keyboards, light pen, and flight simulator are common HIDs. What if we can move the mouse cursor at the movement of the hand in air, pointing to the system? It can reduce possible health hazards like Carpal Tunnel Syndrome. The initial aim of the project was developing an "in air" mouse, which would work instead of the usual mouse. The movement of hand in air would be detected along a 2 dimensional axis, to which the onscreen cursor moved respectively along the two dimensions of the screen. The movement of the hand is detected by an accelerometer, which produces two analogue voltages with respect to the movement in the respective axis. These voltages are then converted into digital voltages when passed through a analogue to digital converter. Then via an USB interface the data from the two A-D channels are read to derive the displacement of the accelerometer, which is scaled to the pixels of the screen, so as to set the cursor position.

To build a prototype of an "in air" mouse. It should solve the same purpose as any ordinary mouse but with a difference. The user would be able to move the cursor just by moving his hand in air. It would have 2 buttons with 2 different functions. Namely right button, left button. It would be connected to the computer by an USB cable. The goal of this project is to design a unique interactive peripheral accessory to the computer. The ease of use, precision and the level of comfort will be the secondary target. The primary target is to get the project work on windows and Linux. 2Guide to the Report.

This is a comprehensive summary to every part of the report. It throws light to overview of what you might expect in the respective section of the report. 2.1Introduction
This section of the report is a detailed introduction...
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