The HC-SR04 is a trustworthy, reliable and most affordable ultrasonic distance sensor.It offers a wide range, capable of measuring distances from 2cm to 450cm.
The HC-SR04 is a trustworthy, reliable and most affordable ultrasonic distance sensor that measures the distance to an object by emitting ultrasonic sound waves and then timing the reflection from the object.
It offers a wide range, capable of measuring distances from 2cm to 400cm, with high accuracy typically around 3mm. It features a simple interface with only four pins: Vcc, Trig, Echo, and GND. It has low power consumption and is designed to be durable and compact, ensuring minimal power draw and a robust, small-sized build.
Applications
Obstacle Avoidance
Obstacle avoidance in robots and small autonomous vehicles.
Proximity Detection
Object proximity detection.
Level Measurement
Measuring liquid levels in tanks or trash level in trash cans.
Specification
Technical specification for HC-SR04 ultrasonic distance sensor.
