MINIATURIZATION OF COMPUTER MOUSE AS A WEARABLE DEVICE by Ooha Reddy Manda, B.S. A thesis submitted to the Graduate Council of Texas State University in partial fulfillment of the requirements for the degree of Master of Science with a Major in Engineering December 2017 Committee Members: Qingkay Yu, Chair Yihong Maggie Chen Ravi Droopad COPYRIGHT by Ooha Reddy Manda 2017 FAIR USE AND AUTHOR’S PERMISSION STATEMENT Fair Use This work is protected by the Copyright Laws of the United States (Public Law 94-553, section 107). Consistent with fair use as defined in the Copyright Laws, brief quotations from this material are allowed with proper acknowledgment. Use of this material for financial gain without the author’s express written permission is not allowed. Duplication Permission As the copyright holder of this work, I, Ooha Reddy Manda, authorize duplication of this work, in whole or in part, for educational or scholarly purposes only. DEDICATION I would like to dedicate this dissertation to my family for all the guidance, encouragement and support throughout my life. I also dedicate this report to my friends for their constant help and support. ACKNOWLEDGEMENTS I would like to express my gratitude to all who helped me during the wring of this thesis at Texas State. First, I would like to express my deep gratitude to Dr. Qingkai Yu, my Supervisor, for his continuous support and encouragement, for his patience, and motivation. He also provides me with an excellent atmosphere for conducting this research project. Without his consistent and illuminating instruction, this thesis could not have reached its present form. I would also like to express my heartfelt gratitude to my thesis committee members: Dr. Ravi Droopad and Dr. Maggie Chen for their insightful comments and constructive comments in the early version of the work. I owe a special debt of gratitude to Dr. Vishu Viswanthan, Graduate Advisor of Engineering, and Dr. Stan McClellan, the Director of Ingram School of Engineering, for providing facility support. I would like to thank Ms. Sarah Rivas, Ms. Carla Batey in Ingram School of Engineering and Department Engineering Technology for their kind help. I would also like to thank Dr. William Stapleton for his continuous support during my research. Finally, I express my gratitude to my parents, family and friends for providing me with their continuous encouragement and support throughout my years of study and through the process of researching and writing this thesis. This accomplishment would v not have been possible without them. vi TABLE OF CONTENTS Page ACKNOWLEDGEMENTS.................................................................................v LIST OF TABLES ............................................................................................. ix LIST OF FIGURES .............................................................................................x LIST OF ABBREVIATION ............................................................................ xiii ABSTRACT .................................................................................................... xiv CHAPTER 1. INTRODUCTION ........................................................................................... 1 1.1 Background ................................................................................. 1 1.2 Previous Wearable Computer Mouse ......................................... 5 1.2.1 Mycestro ........................................................................... 5 1.2.2 Maestro Gesture Glove ..................................................... 5 1.3 Thesis Focus ............................................................................... 6 1.4 Research Contribution ................................................................ 7 1.5 Organization of Thesis Report ................................................... 7 2. LITERATURE REVIEW ................................................................................ 8 2.1 Mouse ......................................................................................... 8 2.1.1 Main Functions ................................................................. 8 2.1.2 Advantages ....................................................................... 8 2.1.3 Disadvantages ................................................................... 9 2.1.4 Uses .................................................................................. 9 2.2 Ergonomics ................................................................................ 9 2.2.1 Importance of Ergonomics ............................................... 9 2.3 Guidelines for Designing the Workplace ................................. 10 2.4 Ergonomic Mouse .................................................................... 11 2.4.1 Previous Designs ............................................................ 12 2.5 Wearable Technology .............................................................. 16 vii 2.5.1 Basic Design of Wearable Devices ................................. 17 2.5.2 Challenges to Wearable Technology .............................. 18 2.5.3 Advantages of Wearable Devices ................................... 18 2.5.4 Disadvantages of Wearable Devices .............................. 19 2.5.5 Applications of Wearable Devices ................................. 20 2.6 Touchscreen ............................................................................. 23 2.6.1 Types of Touchscreen ..................................................... 24 3. METHODOLOGY ........................................................................................ 33 3.1 Introduction .............................................................................. 33 3.2 Initial Approach ........................................................................ 33 3.2.1 Block Diagram ................................................................ 33 3.2.2 Hardware Design ............................................................ 33 3.3 Proposed Approach ................................................................... 38 3.3.1 Block Diagram ................................................................ 38 3.3.2 Hardware Design ............................................................ 39 3.4 Design Procedure ..................................................................... 48 3.5 Software Implementation ......................................................... 49 3.6 PCB Circuit .............................................................................. 52 4. RESULTS ...................................................................................................... 53 4.1 Performance Characteristics ..................................................... 53 4.1.1 Discharge Profile ............................................................ 53 4.2 Design Criteria of a Wearable Device ...................................... 53 4.3 Design Specifications ............................................................... 56 4.4 Design Drawings ...................................................................... 57 4.5 Design Output ........................................................................... 57 4.6 Comparison over the Existing Wearable Mouse Designs......... 59 4.6.1 Maestro Gesture Glove Mouse ....................................... 59 4.6.2 Mycestro Mouse ............................................................. 59 4.7 Final Design .............................................................................. 60 5. CONCLUSION AND FUTURE SCOPE ...................................................... 61 5.1 Conclusion ................................................................................ 61 5.2 Power Consumption of each Component ................................. 62 5.3 Future Work .............................................................................. 62 APPENDIX .......................................................................................................63 REFERENCES ..................................................................................................93 viii LIST OF TABLES Table Page 1. Examples of Ergonomic Mouse with its Disadvantages ........................................ 3 2. Key Numbers .........................................................................................................35 3. Electrical Parameters of RN42 ..............................................................................45 4. Comparison over Maestro Gesture Glove Mouse .................................................59 5. Comparison over Mycestro Mouse .......................................................................59 ix LIST OF FIGURES Figure Page 1. Wearable Device Market Value from 2010 to 2018........................................4 2. Mycestro Mouse ..............................................................................................5 3. Maestro Gesture Glove ....................................................................................6 4. USA Today Poll on Wearable Devices ...........................................................6 5. Evoluent Vertical Mouse ...............................................................................12 6. 3M Ergonomic Mouse ...................................................................................13 7. Logitech Trackball Mouse .............................................................................14 8. Pad N’ Click Gel Pads ...................................................................................15