HC-SR04 Ultrasonic Distance Sensor

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.

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