DON'T STAY TOO CLOSE

by Weiyi Chou in Circuits > Arduino

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DON'T STAY TOO CLOSE

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LED Arduino

Circuit Board

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The Materials needed for this project are:(1x) Arduino Uno(1x) Breadboard(1x) HC-SRO4 Ultrasonic Sensor(1x) Buzzer(2x) Green LEDs(2x) Yellow LEDs(2x) Red LEDs(7x) 330 ohm ResistorsA lot of jumper wires

Computer Program

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https://create.arduino.cc/editor/chenyuyuan3/f61af...