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HC-SR04 Ultrasonic Sensor Distance Module for All Type of Development Board and robot good quality


(Excluding of GST 18%) 
  • HC-SR04 Ultrasonic Sensor
  • Power Supply :5V DC
  • Quiescent Current : <2mA
  • Effectual Angle: <15°
  • Ranging Distance : 2cm – 500 cm
  • Resolution : 0.3 cm
  • Mode of Connection: VCC/ trig(T)/ Echo(R)/ GND
  • (VCC supply 5V, and GND is ground wire. TRIG is trigger control signal input, ECHO is echo signal output.)

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1 - 2 pieces
90.00 (8% off)
3 - 19 pieces
70.00 (28% off)
20+ pieces

HC-SR04 Ultrasonic Sensor Distance Module

HC-SR04 Ultrasonic Sensor is a device that can measure the distance to an object by using sound waves. It measures distance by sending out a sound wave at a specific frequency and listening for that sound wave to bounce back. By recording the elapsed time between the sound wave being generated and the sound wave bouncing back, it is possible to calculate the distance between the sonar sensor and the object.

Ultrasonic Sensor HC-SR04 is great for all kind of projects that need distance measurements, avoiding obstacles as examples. HC-SR04 provides 2cm-450cm non-contact measurement function, the ranging accuracy can reach to 3mm. The modules include ultrasonic transmitters, receiver and control circuit.

  • The HC-SR04 ultrasonic sensor can send eight 40 kHz and detect whether there is any pulse signal back.If it back, a high level signal will be outputed by IO, and the duration of the signal is the time from sending ultrasonic to returning
  • HC-SR04 Test Distance : high level time velocity of sound (340M/S) /2
  • HC-SR04 Power Supply : 5V DC; Quiescent Current : <2mA,; Effectual Angle: <15° ; Detection Distance : 2cm~500 cm; Resolution : 0.3 cm
  • High precision: Up to 0.3cm; Working temperature:-20C–+60C; Size:4 5x 21mm( L x W).

Technical Specification

  • Power Supply :+5V DC
  • Quiescent Current : 3mA
  • Working Current: < 5mA
  • Effectual Angle: <15°
  • Ranging Distance : 2cm – 450 cm/1″ – 10ft
  • Resolution : 0.3 cm
  • Measuring Angle: 30 degree
  • Trigger Input Pulse width: 10uS
  • Dimension: 45mm x 20mm x 15mm

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  • HC-SR04 Ultrasonic Distance Sensor Widely used for All Type of Devlopment Board and robot Robot Obstacle Avoidance, Object Distance Measuring, Liquid Level Detection, Public Security, Parking Lot Detection etc.

Package Content: 

  • 1 x HC-SR04 Ultrasonic Sensor Distance Module
Weight 30 g
Dimensions 45 × 20 × 17 cm


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