Floricx HC-SR04 Ultrasonic Distance Sensor Module - 40-800cm Range Pack of 3 Electronic Components Electronic Hobby Kit

The HC-SR04 is a popular ultrasonic distance sensor module that can be used to measure distances up to 400 cm. It is a simple and affordable sensor that is easy to use with Arduino and other microcontrollers. The HC-SR04 module consists of an ultrasonic transmitter and receiver. The transmitter sends out an ultrasonic pulse, and the receiver measures the time it takes for the pulse to return. The distance to the object is then calculated based on the speed of sound. The HC-SR04 module can be used in a variety of applications, such as obstacle avoidance, distance measurement, and level sensing. It is a versatile sensor that is well-suited for a variety of projects.