Ultrasonic Sensor HC-SR04 with Arduino

The HC-SR04 ultrasonic sensor is a popular choice among hobbyists and professionals alike for distance measurement applications. When combined with an Arduino microcontroller, it becomes a versatile tool for various projects, such as robotics, security systems, and smart devices. Materials Needed Ultrasonic Sensor HC-SR04 with Arduino Circuit The HC-SR04 sensor works on the principle of…