While the finished project is a functional prototype, it is still incomplete. The appliance is missing all mounting hardware, which could easily be made by laser cutting or 3D printing a mount that uses existing screw holes from a light switch. The servo lacks the torque to directly flip the light switch, which might be solved by mounting the servo, but could alternately be solved by attaching a larger lever arm to the servo horn. Additionally, additional sensors such as a photoresistor could be added so that the PIR sensor doesn't have to look for motion when the lights are already off.
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