Ultrasonic Sonar Sensor HC- SR04


Tk 160
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  • Sonar Sensor (HC-SR04)
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  • Operating Voltage: 5 V
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  • Sonar Sensing Range: 2-400 cm
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  • Max. Sensing Range: 450 cm
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  • Frequency: 40 kHz
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HCSR04 is an Ultrasonic Sonar Sensor module that consists of a transmitter, receiver, and control circuit. It has four pins for VCC, GND, Trigger, and Echo. You can easily interface it with microcontrollers and Arduino boards. \n \nThe basic principle of work is: \n
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  1. Using IO trigger for at least 10us high-level signal
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  3. The Module automatically sends eight 40 kHz and detects whether there are pulse signals back.
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  5. If the signal is back, through a high level, the time of high output IO duration is the time from sending ultrasonic to returning.
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  7. Test distance = (high level time×velocity of sound (340M/S) / 2
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Specifications

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  • Working Voltage DC 5 V
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  • Working Current 15mA
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  • Working Frequency 40Hz
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  • Max Range 4m
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  • Min Range 2cm
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  • Measuring Angle 15 degree
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  • Trigger Input Signal 10uS TTL pulse
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  • Echo Output Signal Input TTL lever signal and the range in proportion
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  • Dimension 45x20x15mm
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    \n
  • Sonar Sensor (HC-SR04)
  • \n
  • Operating Voltage: 5 V
  • \n
  • Sonar Sensing Range: 2-400 cm
  • \n
  • Max. Sensing Range: 450 cm
  • \n
  • Frequency: 40 kHz
  • \n
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