Description
The HC-SR04 Ultrasonic Distance Sensor is a popular module for non-contact distance measurement. It uses ultrasonic waves to measure distances ranging from 2cm to 400cm with an accuracy of 3mm. The sensor features a simple four-pin interface (Vcc, Trigger, Echo, Ground) and operates at a 5V power supply. It is widely used in robotics, obstacle detection, and distance measurement applications due to its reliability and ease of use.
Specifications:
- Operating Voltage: 5V DC
 - Measuring Range: 2cm to 400cm
 - Accuracy: ±3mm
 - Measuring Angle: <15°
 - Operating Current: 15mA
 - Frequency: 40kHz
 - Dimensions: 45mm x 20mm x 15mm123
 






