HC-SR04 P Ultrasonic Module


HC-SR04 Ultrasonic Sensor is a very affordable proximity/distance sensor that has been used mainly for object avoidance in various robotics projects . It has also been used in turret applications, water level sensing, and even as a parking sensor.

Pack of 1-piece/lot.

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SKU: SSR1012 Category:


This module is the second generation of the popular HC-SR04 Low Cost Ultrasonic Sensor. Unlike the first generation HC-SR04 that can only operate between 4.8V~5V DC, this new version has wider input voltage range, allow it to work with controller operates on 3.3V.
HC-SR04 ultrasonic sensor provides a very low-cost and easy method of distance measurement. It measures distance using sonar, an ultrasonic (well above human hearing) pulse (~40KHz) is transmitted from the unit and distance-to-target is determined by measuring the time required for the echo return. This sensor offers excellent range accuracy and stable readings in an easy-to-use package. An on board 2.54mm pitch pin header allows the sensor to be plugged into a solderless breadboard for easy prototyping.


  • HC-SR04P Upgrade version with build-in crystal, more reliable, lower working current.
  • Power Supply: 3.3~5 VDC
  • Quiescent Current : <2mA
  • Working Current: 2.8mA @ 5V
  • Effective Angle: <15°
  • Ranging Distance : 2cm – 400 cm or 1″ – 13ft
  • Connector: 4-pins header with 2.54mm pitch.
  • Dimension: 45mm x 20mm x 15mm
  • Weight 8.5-g.

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Weight 0.05 kg


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