ULTRASONIC SENSOR HC-SR04

ULTRASONIC SENSOR HC-SR04

  • Sensor Type: Ultrasonic
  • Output: Digital Sensor
  • Voltage: 5VDC
  • Detection distance: 2cm-400cm (0.02M – 4.0M)
  • Static current: < 2mA
  • Level output: high-5V
  • High precision: up to 0.3cm

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product description

ULTRASONIC SENSOR (HC-SR04) :-Ultrasonic Sensor provides very short (2CM) to long-range (4M) detection and ranging. The sensor provides precise and stable non-contact distance measurements from about 2cm to 4 meters with very high accuracy. This ultrasonic sensor module can be used for measuring distance, object sensor, motion sensors etc.

The working principle of this module is simple. It sends an ultrasonic pulse out at 40kHz which travels through the air and if there is an obstacle or object, it will bounce back to the sensor. By calculating the travel time and the speed of sound, the distance can be calculated.

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