Ultrasonic Sensor HC-SR04


  • The HC – SR04 Ultrasonic sensor module provides 2cm – 400cm non-contact measurement, with an accuracy of up to 3mm.
  • The modules includes an ultrasonic transmitter, receiver and control circuit.

In stock

SKU: MPH-0004 Categories: ,



HC-SR04 Ultrasonic Ranging Sensor uses sonar to determine distance to an object like bats or dolphins do. It offers excellent non-contact range detection with high accuracy and stable readings in an easy-to-use package. From 2cm to 400 cm or 1” to 13 feet. It operation is not affected by sunlight or black material like Sharp rangefinders are (although acoustically soft materials like cloth can be difficult to detect). It comes complete with ultrasonic transmitter and receiver module.


VCC -> Arduino +5V pin
GND -> Arduino GND pin
Trig -> Arduino Digital Pin 2
Echo -> Arduino Digital Pin 4

Additional information

Weight .01 kg
Dimensions 4.5 × 2 × 1.5 cm


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