Anti-Theft Device

An anti-theft device/a keep-people-away device. The only device without a good name!
Components for this project:

• 3 LEDs (I used Red, Yellow, and Green)
• 1 HC-SR04 Ultrasonic Sensor (or whatever you choose)
• An Arduino (I used the Uno R3)

Schematic:

The contents of this repository are under the Creative Commons Attribution-ShareAlike 4.0 International license.
The schematic/circuit diagram was created using Autodesk's TinkerCAD Circuits.