This Arduino code utilizes an ultrasonic sensor to measure distances. When an object is detected within a fix distance , the connected motors trigger a sequence: move backward, turn right, turn left, ...

A system that uses a PID controller to balance a ball on a tiltable platform. The system is built with an Arduino, ultrasonic sensor, and servo motor, with PID gain tuning via potentiometers. The ...

Build a simple LPG gas leakage detector using Arduino and MQ-5 sensor. This beginner-friendly project features buzzer and LED alerts, circuit diagram, and complete Arduino code for home safety.