How to wire an Arduino to WS2812 lights, using an ultrasonic sensor with collision avoidance, and 3D templates for Tinkercad.
Arduino: Collision Avoidance
Arduino Uno ($3.61) HC-SR04 Ultrasonic Sensor ($0.99) PixelStick ($3.25) Arduino Tray SR04 Arduino: Collision Avoidance (II)
FastLED.h (Library) Arduino Code Hosts: Fr. Robert Ballecer, SJ and Bryan Burnett
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