1. Project: PDA Smart Car Integration via Bluetooth Team: Team Blue Members: Sharad Desai, Mahmoud Toure, Lochan KC

2. 10/30/2015University of Colorado -- Boulder2 Agenda Points to be covered  Overview  Objective  Outline  Implementation of Sub-Systems  Division of Labor and Responsibilities  Schedule  Budget  Risks and Contingency  Conclusion AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

3. 10/30/2015University of Colorado -- Boulder3 Overview AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

4. 10/30/2015University of Colorado -- Boulder4 Objective Goals  Use Bluetooth to control simple car functions  Functions include Locking/unlocking car doors Opening/closing windows Remote ignition Any 12V accessory Extensions  Tap into the I 2 C bus and control systems like AC and a proximity sensor AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

5. 10/30/2015University of Colorado -- Boulder5 Outline AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

6. 10/30/2015University of Colorado -- Boulder6 Implementation – Hardware Assembly Hardware elements  Smartphone  FPGA  Bluetooth receiver  Relay driver AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

7. 10/30/2015University of Colorado -- Boulder7 Implementation – Smartphone Functionality  Operating System: Microsoft Windows Mobile 5.0 for Smartphone  CPU: 32bit Texas Instruments OMAP 850 @ 195 MHz  ROM: 64 Mb with 17.9 Mb accessible  RAM: 64 Mb with 45.1 accessible AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

8. 10/30/2015University of Colorado -- Boulder8 Implementation – Bluetooth Receiver Functionality  Class 1 Bluetooth Radio Modem(Range 100m)  Low power consumption : 82.5mW  Encrypted connection  Frequency: 2.4~2.524 GHz  Operating Voltage: 3.3V-6V  Serial communications: 2400-115200bps  Built-in antenna WRL-00582 - Bluetooth Modem AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

9. 10/30/2015University of Colorado -- Boulder9 Implementation – FPGA Functionality  Xilinx Spartan-3 FPGA w/ twelve 18-bit multipliers, 216Kbits of block RAM, and up to 500MHz internal clock speeds  3x32 open 3.3V I/O ports  Three high-current voltage regulators (3.3V, 2.5V, and 1.2V)  RS232 serial output Benefits  Higher Performance  Lower Cost  Provides the scalability to add functionality without having an impact on the rest of the system AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

10. 10/30/2015University of Colorado -- Boulder10 Implementation – Relay Driver Functionality  Provides Either Positive Trigger(+12V) or Negative trigger( 500 mA).  Base of the BJT is connected to one of the I/O of FPGA  Contacts of the relay is connected to Car Relays. I/O Car Relay AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

11. 10/30/2015University of Colorado -- Boulder11 Output From BECU Pin 1 Output From BECU Pin 2 Door Solenoid Implementation – Relay Driver Installation Setup for Door Relays AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

12. 10/30/2015University of Colorado -- Boulder12 Implementation – Software Assembly Software elements  API for Smartphone Written in.NET Uses internal Bluetooth to communicate with MCU  Finite State Machine (FSM) for FPGA Written in VHDL AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

13. 10/30/2015University of Colorado -- Boulder13 Division of Labor and Responsibilities Tasks and people responsible  Sharad Desai Setting up communication between the two Bluetooth modules Design PCB board/power supply Writing documentation  Lochan KC Writing FSM on FPGA Writing driver Building relay driver Writing documentation  Mahmoud Toure Writing API and UI Writing documentation AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

14. 10/30/2015University of Colorado -- Boulder14 Schedule AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

15. 10/30/2015University of Colorado -- Boulder15 AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion Budget Breakdown Cost for Project Bluetooth Modem$70 Spartan 3 FPGA board$200 Car Door$300 Miscellaneous$300 Car Battery$80 TOTAL$950

16. 10/30/2015University of Colorado -- Boulder16 Risks and Contingency Plan -- Overview Risks (followed by contingency plan)  Unfamiliar with I 2 C bus technology Scale project down to basic functionalities (i.e.: unlocking and locking doors and windows)  FPGA may be too complex Minimize state machines (yet still maintain correct functionality)  Bluetooth complexity Ask around and do more research  Portability of API Limit to PDA compatible with Java or Windows CE AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

17. 10/30/2015University of Colorado -- Boulder17 Risks and Contingency Plan – Safety Safety issues  Blowing various sections of any circuit We should wear high fashion protective goggles  Tampering with the car to figure out how mechanisms work Get someone who knows what they’re doing  Transmitting bogus messages to the Bluetooth receiver Not goof off AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

18. 10/30/2015University of Colorado -- Boulder18 Conclusion AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion

19. 10/30/2015University of Colorado -- Boulder19 Questions and Comments AgendaOverviewObjectiveOutlineImplementationLabor DivisionScheduleBudgetRisksConclusion