1. Group 2: Parking Garage Monitoring System (PGMS) Matt Downes Stephen Osborn Anup R. Daniel Pawanjit S. Chawla

2. Detection of vehicle occupancy by implementing a parking monitoring system Ultrasonic sensors detect presence of vehicles Atmel used to group a certain number of sensors to one transmission point RF transmitters and receivers used to send/receive data

3. Rabbit 3010 module used to process the information from multiple RF receivers. Web server used to display vehicle occupancy information A web enabled wireless device allows a person to find the closest parking space PGMS will provide statistical information to the garage owners.

4. MUXMUX DEMUXDEMUX RS- 232 Voltage Level Translator ATMEL AT90S8515 Receiver n Receive… Receiver 2 Receiver 1 PING ECHO SELECT LINE RABBIT RCM 3010 Transmitter WEB SERVER TRANSMISSION CELL

5. Rationale for selection of components –Microcontroller Computational Requirements Memory Capacity Ethernet Capability –RF Module Transmission Strength –Sensors Type of detection Detection Range –General Concerns Weather Conditioning Price

6. Computational Requirements Human interaction –Web server provides access to information –Parking vehicles in designated places –RCM2100 RCM2110 RCM2120 RCM2130 Microprocessor Rabbit 2000™ at 22.1 MHz –RCM3000 RCM3010 Microprocessor Rabbit 3000 at 29.4 MHz –8-bit AVR Microcontroller Up to 16 MHz

7. Memory Capacity Web server used for main storage Mostly for processing data – RCM2100 RCM2110 RCM2120 RCM2130 –Flash 512K 256K 512K 256K –SRAM 512K 128K 512K 128K – RCM3000 RCM3010 –Flash 512K (2 x 256K) 256K –SRAM 512K 128K –8-bit AVR Microcontroller –Flash 64K –SRAM 4K

8. Ethernet Capability RCM2100 RCM2110 RCM2120 RCM2130 10Base-T, RJ-45, None 2 LED’s RCM3000 RCM3010 10Base-T, RJ-45, 2 LED’s 8-bit AVR Microcontroller None

9. RF Module Transmission –Ability to be used in an inhospitable environment –Ability to use different frequencies Reception –Ability to distinguish noise from actual signals –Ability to reproduce data from received signal

10. Sensors Detection Type –Inductive –Infrared –Ultrasonic Detection Range –Needs to be able to detect vehicles at variable distances –Needs to be confined to a predetermined area so as not to detect vehicles in other parking places

11. General Concerns Most components will be subject to the climate of the garage –Industrial vs. Commercial Wider range vs. More cost Price of Installation –Upfront cost vs. Long-term cost Power Consumption –Slow change in environment being monitored

12. Receiver #5 Receiver #4 Receiver #3 Receiver #2 Receiver #1 Rabbit Cat5 Cable

13. Sensors Transmitters Receiver Cat5 Cable connecting Sensors and Transmitter Example Floor Plan Layout :

14. Package One : Sensor Packaging Will be mounted in front of each parking space, such that the ultrasonic sensors are directed towards the front of the car Schematic Notes : - All measurements in cm - Jack on side of box is for Cat5 cable (RJ45 connector)

15. Package Two : Transmitter Packaging Will house an RJ45 connection brick, the Atmel ATmega8515L, the Linx TXM-315/433-LC RF transmitter, and its own power supply (used to power Atmel, Linx, and sensors). External antenna is for RF transmission Will be mounted on post/wall of garage (many per each floor of garage) Schematic Notes : - All measurements in cm - Jacks on front of box are for Cat5 cables (RJ45 connectors)

16. Package Three : Receiver Packaging Will house Linx RXM-315/433-LC- S RF receiver Will be mounted on edge of garage (1 per garage floor) vertically above the Rabbit packaging Schematic Notes : - All measurements in cm - Coaxial out on front has been changed to Ethernet out

17. Package Four : Rabbit Packaging Will house Rabbit 3010 and its own power supply (used to power Rabbit and RF Receiver Will be mounted directly below all of the receiver packages on ground floor of parking ramp Schematic Notes : - All measurements in cm -Jack on side of box is for Cat5 cable (RJ45 connector) - Coaxial in on front has been changed to Ethernet in (similar to Transmitter packaging

18. Check the Transparencies