BACtrack S80 Dokumentacja Strona 135
- Strona / 148
- Spis treści
- BOOKMARKI
- Senior Design Group 8 1
- May 3, 2010 1
- TABLE OF CONTENTS 2
- 1. Introduction 4
- 1.2 Motivation 5
- 1.3 Goals and Objectives 6
- 1.5 System Overview 12
- 2. Research and Requirements 13
- 2.2 System Logic 15
- 2.2.3 Microcontroller 20
- 2.3 Voltage Regulator 23
- 2.3.1 Requirements 24
- 2.4.1 USB 31
- 2.4.2 Serial (RS232) 32
- 2.4.3 Non-Standard Connector 33
- 2.4.4 RJ-45 (Out of Spec) 34
- 2.4.5 USB (Out of Spec) 35
- 2.4.6 Wireless 36
- 2.5 LEDs 37
- 2.6 Software 40
- 2.7 Interlock Device 44
- 2.8 Enclosure 45
- Control Box Enclosure 46
- Hand-held Unit Enclosure 49
- 2.9 Display 51
- 2.9.2 Dot-Matrix Display 52
- 2.9.3 Liquid Crystal Display 53
- 2.10 Alcohol Sensor 54
- Fuel Cell Sensors 57
- 2.11 Battery 59
- 2.11.1 Alkaline Battery 60
- 2.11.4 Lithium Ion Battery 63
- 2.11.5 Lead Acid Battery 64
- 2.11.6 Zinc Nickel Battery 66
- 2.11.7 Battery Comparison 66
- 2.12 Charging Circuit 67
- Colin Mitchell of 70
- 2.13 Airflow Measurement 74
- 2.13.2 Pitot Tube 75
- 3. Hardware Design 77
- 3.2.2 Wireless 83
- 3.2.3 Programming 83
- 3.2.4 Analog Sensing 85
- 3.3 Power Supply 86
- 3.4 Display 91
- 3.6.1 Breadboard 93
- 3.6.2 Perforated Board 93
- 3.6.3 Printed Circuit Board 93
- 3.8 Enclosure 97
- Figure 3.8-1 Voog Concept I 98
- Figure 3.8-2 Voog Concept II 99
- 4. Software Design 103
- 4.2 Communications 106
- 4.3 Portable Unit Software 109
- 4.3.1 Display Functions 110
- 4.4 Control Unit Software 111
- 5. Testing and Validation 114
- 5.1.3 Enclosure 115
- 5.1.4 Display 115
- 5.1.2 Gas Detection Sensor 115
- 5.2 Hardware Test Procedure 116
- 5.2.3 Verifying Enclosure 119
- 5.2.4 Verifying Display 119
- 5.3.1 Hand Held Software 122
- 5.3.2 Control Box Software 122
- 5.4 Software Test Procedure 123
- 5.5 System Test Procedure 124
- 6. Administrative Materials 129
- 6.2 Project Planning 130
- 6.2.2 Spring 2010 Semester 131
- 6.3 Cost Estimates 132
- 6.4 Bill of Materials 133
- 6.5 Design Team 136
- Appendix A 137
- A.2 Permissions 138
- A.2.3 Talkingelectronics.com 139
- A.2.4 Greenbatteries.com 140
- A.2.5 Batteryspace.com 140
- A.2.6 Sparkfun.com 141
- A.2.7 reuk.co.uk 142
- Thanks 143
- A.2.12 SI Micro 144
- A.2.13 Newhaven Display 145
- A.2.14 Matrix Orbital 146
- A.2.15 Phidgets 147
- A.2.15 Binder USA 147
- A.2.16 ST Micro 148
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