BACtrack S80 manuels

Bactrack S80 Spécifications (148 pages)

marque: Bactrack | Catégorie: Non | Taille: 3.81 MB |

Anglais

Table des matières

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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