Download Networked Occupancy Sensor System

Networked Occupancy Sensor System
4.2
System Design ................................................................................................................. 18
4.2.1
Power and Communications ...................................................................................... 19
4.2.2
Sensors ....................................................................................................................... 20
4.2.3
Processor.................................................................................................................... 20
4.2.4
Application Server ...................................................................................................... 21
4.2.5
MySQL Database ........................................................................................................ 22
4.2.6
Mobile Website.......................................................................................................... 22
4.2.7
Electronics Assembly & Enclosure ............................................................................. 23
4.3
5
Evaluation of Complete Prototype System ..................................................................... 23
Final Design ............................................................................................................................. 24
6
5.1.1
Schematic Design ....................................................................................................... 24
5.1.2
Circuit Verification ..................................................................................................... 24
5.1.3
PCB ............................................................................................................................. 25
5.1.4
Microcontroller .......................................................................................................... 25
5.1.5
Enclosure.................................................................................................................... 27
5.1.6
Standards Compliance ............................................................................................... 27
Testing ..................................................................................................................................... 29
6.1
Circuit Testing ................................................................................................................. 29
6.2
Microcontroller ............................................................................................................... 29
6.3
Ethernet System .............................................................................................................. 30
6.4
Sensors ............................................................................................................................ 31
7
Ethical Implications ................................................................................................................. 32
8
Conclusions ............................................................................................................................. 33
8.1
System Functionality ....................................................................................................... 33
8.2
Future Work .................................................................................................................... 33
9
References .............................................................................................................................. 35
10
Appendix ............................................................................................................................. 38
10.1
Schematic .................................................................................................................... 38
10.2
BOM ............................................................................................................................ 39
10.3
PCB .............................................................................................................................. 40
10.4
Enclosure ..................................................................................................................... 42
10.5
Microcontroller Code .................................................................................................. 45
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