BUS TRACKER - PDR 2012 Capstone Senior design Colorado University at Boulder Instructor: Tom.Brown Sam.Siewert TA: Robert.Pomeroy Carissa.Pocock team winning Team member: Bin Wang Erik Ware David Zigman Emile Bahdi Slides made by: Bin Wang

Background Long night Long winter Many people Few Bus Where are you? BUFF BUS Slides made by: Bin Wang Presented by: Erik Ware

Existing Technology Chicago Seattle Commercial: OneBusAway U.W Waitless G.Tech Prototype on Campus: Slides made by: Bin Wang Presented by: Erik Ware

Project objectives Create a real-time bus tracking system capable of: 1.Friendly website with database which can update real-time location. 2.A self-powered user station with stable performance. 3.Long distance wireless communication with the radius about 1mile. 4.Compact stable on-bus tracking system with high accuracy(error less than 10m) Slides made by: Bin Wang Presented by: Erik Ware

Working range Small range: R = 0.6 km Large range: R = 1.4 km Slides made by: Bin Wang Presented by: Erik Ware

Goals Low Self-Made Portable GPS device with LCD demonstrating the location. Project Website and dynamic database. Long distance RF communication with specific designed antenna. Prototype of Wooden user station (maybe holding laptop) Med On-camps single bus tracking Display the location directly to the user station. High Whole route multi bus real-time tracking. Update real-time information to the website supported by dynamic database. Slides made by: Bin Wang Presented by: Erik Ware

User Station Web site Phone Applicat ion Server Tracking System Main Idea ? Slides made by: Bin Wang Presented by: Erik Ware

Block diagram PC RX RF Solar Cell Solar Cell WiFi RS232 GPS u-controller TX RF RS232 Internet Tracker Server Terminal Battery Cell Slides made by: Bin Wang

Power (user-station) ModulePower InputsNatural or artificial light Outputs5V 9V (denpend on components) FunctionalityGenerate required power to support on-bus system and user station. (may need transmitter) Solar Panel - 10W sku: PRT Description: 1.Solid aluminum frame. 2.The panel is more than capable of 10 watts in the open sun. 3.The peak power output is around 8V at 1.25A. Dimensions: x 11.5 x 1“ Weight: 1.425kg (3.141lbs) Solar Cell Slides made by: Bin Wang

Wireless Communication - RF ModuleRF InputsGPS data (Serial) OutputsGPS data (Serial) Maximum: 900MHz 1W FunctionalityTransfer the computed GPS data from on-bus microcontroller to the PC server wirelessly XTEND PKG 900MHz Performance: 1.The Indoor/Urban Range for the RF module is up to 3000 ft. 2.The line of sight range is up to 40 miles with high gain antenna. 3.The receiver Sensitivity is 110 dBm 4.The throughput data rate is 9600 or bps which can be selected by software Physical Properties Board size 1.44 in x 2.38 in x.2 in RX RF TX RF Slides made by: Bin Wang

Wireless Communication – WiFi ModuleRF InputsGPS data (Serial) OutputsGPS data (Serial) Maximum: 900MHz 1W FunctionalityTransfer the computed GPS data from on-bus microcontroller to the PC server wirelessly WiFly GSX Breakout sku: WRL Features: High throughput, 1Mbps sustained data rate 8 Mbit flash memory and 128 KB RAM UART hardware interface Using Real-time clock for wakeup and time stamping Accepts 3.3V regulated or 2-3V battery WiFi Slides made by: Bin Wang

GPS module GPS ModuleGPS module InputsPower DC 5V OutputsRaw Position (NMEA UART) FunctionalityGenerate the data containing altitude, longitude, time and so on. Encode in NMEA in UART. EM-406A-20Channel sku: GPS Description: This complete includes on-board voltage regulation, LED status indicator, battery backed RAM, and a built-in patch antenna. 6-pin interface cable included. Features: Extremely high sensitivity : -159dBm 10m Positional Accuracy / 5m with WAAS Hot Start : 1s 70mA at V Outputs NMEA 0183 SiRF binary protocol Slides made by: Bin Wang

Microcontroller ModuleMicrocontroller InputsPower DC 9V, GPS signal OutputsComputed GPS signal (Serial) FunctionalityCompute the GPS raw output data to get the useful information and transfer to TXRF in RS232 Arduino UNO sku: DEV Description: 1.Open Source IDE 2.Freetutorial 3.Background knowledge 4.C++ programming Features: ATmega328 microcontroller Input voltage V 14 Digital I/O Pins (6 PWM outputs) Has16Mhz Clock Speed u-controller Slides made by: Bin Wang

Microcontroller ModuleMicrocontroller Inputs WiFi data,Touch Screen Signal OutputsLED/LCD signal FunctionalityGet the signal from PCServer by WiFi and signal from touch screen then control the LED/LCD Features and description: TBA Slides made by: Bin Wang

Website DataBase: SQL®2005+ Language: ASP® Website Dreamweaver® Language: JavaScript® Slides made by: Bin Wang Presented by: Emile Bahdi

User station All kinds of information stationDesign sketch of User station G.Tech Slides made by: Bin Wang Presented by: Erik Ware

Block diagram PC RX RF Solar Cell Solar Cell WiFi RS232 GPS u-controller TX RF RS232 Internet Tracker Server Terminal Solar Cell Solar Cell Presented by: Emile Bahdi

Labor Division  Bin Wang  On-bus system and WiFi communication and telephone application design.  David Zigman  On-bus PCB board design and RF communication. Slides made by: Bin Wang Presented by: Emile Bahdi  Erik Ware  User station PCB design and apple application design.  Emile Bahdi  Budget,Website design and construction of dynamic database.

Schedule & Time Management Contents made by: Erik Ware Picture Generated by Microsoft® Office Project 2007

Schedule and Milestone Jan.18 – Feb.2: Get group organized purchase essential hardware, get started and implement project detail plan. Feb.2 – Feb.28: Finish building a portable GPS device(Bin) Build the prototype of user station(Erik) Design, build and test antenna(David) Construct a website with CSS(Emile) Feb.28 – Mar.20: Communicate between terminal and server by WiFi-1(Bin) Design and build on-bus PCB(David) Design and build user-station PCB(Erik) Embed website with database(Emile) Track main-campus bus without server and can’t cover william village. Mar.20 – Apr.10: Communicate between terminal and server by WiFi(Bin) Design and build long-distance antenna.(David) Finish building user-station update data by WiFi(Erik) Update website with real-time data supported by database(Emile) Track whole bus route and update location to website and user-station. Apr.11 – Apr.30: Improve redesign and focus on user application and do commercial advertisement(Erik,David,Emile,Bin). Apri.30 – May2: Summarizing documents and prepare for expo. May3: Win (Team:Winning) Finish Undergoing Impossible Slides made by: Bin Wang

Current Status  Hardware:  Got all the essential components and get started  Building a simple portable GPS device.  Redesigning and improve the existed antenna.  Designing the user station prototype.  Software  Already finished the website prototype.  Learning and building the dynamic database. Slides made by: Bin Wang Presented by: David Zigman

Budget: NameQuantityPrice($) 20 Channel EM-406A SiRF III Receiver with Antenna GPS Shield Arduino Uno SMD329.95*3 XTend® RF Modems 1 Watt/900 MHz stand-alone radio modems 1300 (Free) Basic 16x2 Character LCD - Black on Green Solar Panel - 10W WiFly GSX Breakout Nucasa O1/2X4-S S4S.5-Inch by 4 Flat Stock Lumber Sample233.75*2 Poster and Documentation100 PCB board150 Interface, cables and tools100 other50 Total: $ (Note: some components can be obtained from Capstone Laboratory Slides made by: Bin Wang Presented by: David Zigman

Risks / Alternative  Power  Ideal: solar portable power  Alternative: battery cell  Wireless Communication  Ideal: long distance RF and WiFi  Alternative: short distance RF and cable  Website  Ideal: dynamic database supported website  Alternative: cancel  User station:  Ideal: special-designed user friendly station  Alternative: laptop Slides made by: Bin Wang Presented by: David Zigman

Question and Discussion Your recommendation saves us money Your advice saves us time BUFF BUS! How dare you..! Presented by: Winning