so , just connect the 4pin wire to it of ultrasonic sensor and other end will be free as its ultrasonic sensor 1. Define Pins for Trigger and Echo #define TRIG_PIN 8 // Define the Trigger pin #define ...

#This project demonstrates how to combine a Pixy2 camera, ultrasonic distance sensor, NeoPixel LED strip, and a servo motor to create an interactive system that: Measures distance with an HC-SR04 ...