Electrical and Computer Engineering Department Senior Design Project 2012 Team Xia Geoff Hermann, Ben Bromberg, Rodrigo Bismonte, Patrick Estabrook Simple Awareness of Vehicles and Assorted Night Traffic (SAVANT)

2 Electrical and Computer Engineering Department Problem Statement  We wish to reduce injury and death to pedestrians and bikers caused by lack of visibility.

3 Electrical and Computer Engineering Department System Overview  Users of the road wear GPS devices transmitting their location  Motor vehicles have receivers and transmitters  Displays the location of received GPS information on the windshield (Heads Up Display) S imple A wareness of V ehicles and A ssorted N ight T raffic

4 Electrical and Computer Engineering Department Block Diagram The RF “ Æ ther” Helical GPS Xbee RF Transmitter Microcontroller Helical GPS Xbee RF Transmitter Microcontroller Car SystemPedestrian/Cyclist System Xbee RF Transciever GPS BeagleBoard on-board Computer Display System

5 Electrical and Computer Engineering Department Pedestrian/Cyclist Module (PCM) Prototype

6 Electrical and Computer Engineering Department GPS Module

7 Electrical and Computer Engineering Department ATMega328P Microcontroller

8 Electrical and Computer Engineering Department Xbee Module

9 Electrical and Computer Engineering Department Automobile Module (AMM)

10 Electrical and Computer Engineering Department BeagleBoard

11 Electrical and Computer Engineering Department Demonstration!

12 Electrical and Computer Engineering Department MDR Goals/Progress  I. Learning Phase GPS, XBee, ATTiny, BeagleBoard  II. Communication Phase Getting all the components talking to one another Make connections, send and receive data  III. Software Phase Write the basic transmit/receive software for each part of the system ATTiny, XBee, BeagleBoard  IV. Prototype Get the transmit/receive system working in the proposed fashion

13 Electrical and Computer Engineering Department MDR Goals/Progress  I. Learning Phase Task 1 - (car, ped) learn about GPS modules Task 2 - (car, ped) learn ATTiny programming software, procedure Task 3 - (car, ped) learn about XBee programming, TX and RX Task 4 - (car, ped) learn about BeagleBoard programming  II. Communication Phase Task 5 - (car, ped) interface GPS with ATTiny microprocessor Task 6 - (car) interface GPS with BeagleBoard Task 7 - (ped) interface ATTiny with XBee module Task 8 - (car) interface BeagleBoard with XBee module (TX, RX)  III. Software Phase Task 9 - (ped) write software for ATTiny microprocessor Task 10 - (car) write transmitter software for BeagleBoard Task 11 - (car) write receiver software for BeagleBoard  IV. Prototype Phase Task 12 - (car) prototype car TX/RX Task 13 - (ped) prototype ped TX

14 Electrical and Computer Engineering Department MDR Goals/Progress  Cost Breakdown BeagleBoardDonated XBee modules$45.90 (2)$68.85 (3) ATtiny13A$1.07 (1)$2.14 (2) EM-4061 GPS module for CAR$59.95 GS407 Helical GPS module for PED $89.95 (1)$ (2) Optoma EP-PK lumen pico projector $ ”x11” Clear Rear projection film $20.00 Total$387.67$ *donated, not included in final cost estimate

15 Electrical and Computer Engineering Department MDR Goals/Progress  Cost Breakdown BeagleBoardDonated XBee modulesDonated(2)Donated(3) ATtiny13A$1.07 (1)$2.14 (1,1) EM-4061 GPS module for CARDonated GS407 Helical GPS module for PED $89.95 (1)$ (2) Optoma EP-PK lumen pico projector $ ”x11” Clear Rear projection film $20.00 Total Spent Remaining Costs $1.07 $ $1.07 $371.77

16 Electrical and Computer Engineering Department Spring Semester Tasks  Extending software for multiple transmitting and receiving devices  Power circuits for car module and pedestrian module Battery considerations Power management in software  Printed circuit board design for pedestrian module  GUI design for car module  Final enclosure designs

17 Electrical and Computer Engineering Department Deliverables  Midterm Design Review Working receiver and transmit circuit on breadboard  Final Design Review 1-2 working bike/pedestrian transmitters (depending on budget) Receiver installed in car On-Windshield Display