HC-SR04 Ultrasonic Distance Sensor

The HC-SR04 uses ultrasonic waves to measure the distance between the sensor and an object. It is widely used in robotics, smart homes and industrial electronics.
6.12 PLN
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Stock 8 piece · In stock
Internal code: 23323324
Units per package 1 pcs
Unit of measure pcs
Measurement quantity 1 pcs
Country of originChina
Input voltage5V
Measurement range2–400 cm
Operating principleUltrasonic waves
Weight 0.001 kg
Length 4.6 cm
Width 1.9 cm
Height 1 cm

Product details

Operating principle:

The HC-SR04 works by reflecting ultrasonic waves. The sensor emits ultrasonic pulses, then measures the time it takes for their echoes to return from an object. Distance is calculated from the speed of sound and the elapsed time.

Specifications:

  • Measurement range: 2 cm to 400 cm
  • Measurement accuracy: ±3 mm
  • Beam angle: <15°
  • Supply voltage: 5V
  • Current consumption: <2mA
  • Operating frequency: 40kHz
  • Dimensions: 45 mm x 20 mm x 15 mm

Applications:

  • Robotics
  • Smart homes
  • Industrial applications
  • Distance measurement
  • Object detection
  • Liquid level monitoring
  • Measuring material thickness

 

Wiring example:

 

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