Short to Medium Range Positional Device With Security (Car Locator) Hong J. Kim Thomas Na Ja Heon Ku Hong J. Kim Thomas Na Ja Heon Ku

Problem Statement  The Primary purpose of the Short to Medium Range Positional Device is to locate an automobile from a short distance with a visual display.  The team will be implementing Radio Frequency (RF), RF sensors, microcontrollers, and Remote Keyless Entry System (RKE) to locate the automobile.  The Primary purpose of the Short to Medium Range Positional Device is to locate an automobile from a short distance with a visual display.  The team will be implementing Radio Frequency (RF), RF sensors, microcontrollers, and Remote Keyless Entry System (RKE) to locate the automobile.

Background  Ever come out of a store and were not able to find the car? The Short to Medium Range Positional Device (Car Locator) will save time and the embarrassment of losing the car.  The Car Locator will assist the owner in finding the car quickly and with ease.  Ever come out of a store and were not able to find the car? The Short to Medium Range Positional Device (Car Locator) will save time and the embarrassment of losing the car.  The Car Locator will assist the owner in finding the car quickly and with ease.

Background  Control Systems  Computer Programming  PCB Construction and Layout  Circuit Analysis and Development  Digital Communications.  Control Systems  Computer Programming  PCB Construction and Layout  Circuit Analysis and Development  Digital Communications.

Objective  The objective of the car locator is to design and produce a reliable car locating device.  The locator will incorporate security for loss or theft of the device.  The objective of the car locator is to design and produce a reliable car locating device.  The locator will incorporate security for loss or theft of the device.

Objectives  Wireless Communications  Security  Power Consumptions  User Interface  Wireless Communications  Security  Power Consumptions  User Interface

Phase 1  Design Concept  Pugh Matrix  Specifications  Components  Order Parts  Design Concept  Pugh Matrix  Specifications  Components  Order Parts

Pugh Matrix Design ConstraintsWeightUsing ISM band Using WiFi Using GPS The system will use small size battery (Disk battery) 8853 The system must be programmable7777 Device will be easy to use9877 The device must be portable11999 Simple function programming7644 Must work in any weather conditions.10 Antenna Range must be within 500 ft. to 1 mile Must have low power consumption The system will incorporate the Remote Keyless Entry System (RKE) with code rolling feature Easy to read Total

Specifications  RF 2.4 GHZ (ISM band)  RKE Features  Security Features  Power Consumption  User Interface (ease)  RF 2.4 GHZ (ISM band)  RKE Features  Security Features  Power Consumption  User Interface (ease)

Ordering Components  Evaluation Boards  RF Wireless Components  Security Components  Remote Keyless Entry System  Circuit Components  Programs  Evaluation Boards  RF Wireless Components  Security Components  Remote Keyless Entry System  Circuit Components  Programs

Phase 2  RF Concepts  Car Unit  Remote Unit  RF Concepts  Car Unit  Remote Unit

RF Concepts  Directional Sensing  Omni Directional  2.4 GHZ ISM Band  Directional Sensing  Omni Directional  2.4 GHZ ISM Band

Car Unit  Omni Directional Transceiver

Remote Unit  Directional Sensing  Cardioid  Directional Sensing  Cardioid

Phase 3 Security  Fingerprint Scanner  Rolling Code Techology Security  Fingerprint Scanner  Rolling Code Techology

Phase 4 Interface  Remote Unit  LCD/LED Display  RKE Functionality  Car Unit  Reset/Reconfigure Interface  Remote Unit  LCD/LED Display  RKE Functionality  Car Unit  Reset/Reconfigure

Phase 5 Power Consumption  Remote Unit  Disc, AA, AAA Batteries  Car Unit  Car Battery Power Consumption  Remote Unit  Disc, AA, AAA Batteries  Car Unit  Car Battery

Functional Block Diagram Filter and Amp Analog to Digital Convert er Digital to Analog Convert er Interfa ce and Displa y Micro proces sor Transc eiver in Car Filter and Amp Anten na Power Manage ment Antenn a ADC and Filter and Amp / DAC and Filter and Amp Micro proces sor Transc eiver in the Remote D D A A D A A W D A W D - Digital A - Analog W - Wireless

Planned Schedule

Estimated Cost * *Total cost to be determined

Conclusion  Achieving Specifications  Scheduling  Marketing Equals Success!!!!  Achieving Specifications  Scheduling  Marketing Equals Success!!!!