UPDATE #5

Battery issue was fixed, code was updated for our system to do an initial scan, and then, for all further scans, compared the read in values with the initial scan values. If the difference between the readings of each of the areas exceed the allowed inaccuracy, the system will alert the user that the infiltrator is detected.

We've also built a base for the ultrasonic sensor, and mounted it with the base to the motor.

We're currently working on making the ultrasonic sensor readings as accurate as possible in order to keep the false alerts at it's lowest minimum (ideally: 0 false alerts). We're also working on the Desktop GUI for our system, adding alerts about a detected intruder, etc.