18-549 Embedded Systems Design
Spring 2012
Team 13

Risk Mitigation Strategy
Someone else breathes into key instead Unsupported user behavior
Short battery life Make system low-power consumption or charge it on car
Bluetooth failure Test multiple times to make sure it works
Sensor inaccuracy Test and tune multiple times
User tries to fake the input by using a spray can, etc. Add a temperature sensor or other sensors to detect faked input
Unable to install device into real car Use motor to simulate ignition, disable the motor from turning to simulate disabling the car from starting
Device is vulnerable to breaking apart Solder parts together carefully and put device in plastic encasing

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