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Can’tTouchThis. JSM Hammer. Jun Wei Chuah Shihong Ng Ming Yang Koh. Project Concept/Motivation. Concept: This project will act as deterrence against laptop thefts, providing the owner a greater degree of security.

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Can’tTouchThis

JSM Hammer

Jun Wei Chuah

Shihong Ng

Ming Yang Koh


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Project Concept/Motivation

  • Concept:

    • This project will act as deterrence against laptop thefts, providing the owner a greater degree of security.

    • The prototype integrates off-the-shelf embedded components, such as motion-sensing accelerometer, buzzer, RFID reader and tags for passive activation of the device and the Tmote Sensor.

  • Motivation:

    • A laptop owner today is unable to leave his/her laptop unattended without risk of the laptop being stolen.

    • Using our prototype system, an alarm will be activated if the laptop is being handled by unauthorized personnel.


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Competitive Analysis:

  • Caveo Anti-Theft PC Card:

  • http://caveo.com/products/anti-theft.htm

  • The product works by sensing motion and emitting an alarm when its moved.

  • Our product will automatically activate the lock when it does not sense the user’s presence

  • Kensingston Cable Lock:

  • http://us.kensington.com/html/11179.html

  • The product works by physically locking the laptop to a secure object.

  • Our product requires less user input and is a smaller and lighter solution.


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Requirements:

  • Functional Requirements:

    • Detects the presence of the user when in range and disarms the device.

    • Arms the device when user is out of range.

    • Allows software arming and disarming of device.

    • Detects movement of laptop when armed and sounds alarm accordingly.

  • Non-functional Requirements:

    • Reliability: When armed, the device will detect significant movement and sound the alarm.

    • Usability: The device will require minimal user input after installation.

    • Threshold: Non-extended small movements will be tolerated by the system.

    • Timing: The alarm will trigger within 5 seconds of detection of motion.


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Technical Specifications:

  • Microcontroller: Moteiv “Tmote Sky”

  • http://www.moteiv.com/products/tmotesky.php

  • Buzzer: Generic “Buzzer”

  • http://export.farnell.com/jsp/endecaSearch/partDetail.jsp?sku=1192515

  • $2.50 ea

  • Motion sensor: Spark Fun Electronics “Triple Axis Accelerometer Breakout - ADXL330”

  • http://www.sparkfun.com/commerce/product_info.php?products_id=692

  • $29.95 ea

  • Rechargeable battery : SANYO “RLITH-5-2VL SANYO ML2430-VM1 Battery”

  • http://www.action-electronics.com/batcomp.htm

  • $6.75 ea

  • Wireless keycard components:

  • RFID Reader: Texas Instruments “Series 2000 Micro Reader RI-STU-MRD1”

  • http://www.ti.com/rfid/docs/manuals/pdfSpecs/RI-STU-MRD1.pdf

  • Quote pending

  • RFID Tag: Texas Instruments “Card Transponder TRP-R4FF”

  • http://www.ti.com/rfid/docs/manuals/pdfSpecs/TRP-R4FF.pdf

  • Quote pending

  • Voltage step-up converter: Texas Instruments “TPS61027”

  • http://focus.ti.com/docs/prod/folders/print/tps61027.html

  • $3.15 ea