Avstandsmåler Ultrasonic Module HY-SRF05 Distance Measuring Transducer Sensor For eg. Arduino PI

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Avstandsmåler Ultrasonic Module HY-SRF05 Distance Measuring Transducer Sensor For eg. Arduino, NodeMCU, ESP, Raspberry PI osv

Module Working Principle:

  1. Pull the Trig pin to high level for more than 10us impulse, the module start ranging.
  2. The module automatically sends eight 40KHz square wave to detect whether a signal is returned.
  3. Finished ranging, If you find an object in front, Echo pin will be high level, and based on the different distance, it will take the different duration of high level.
  4. So we can calculated the distance easily.The distance=((Duration of high level)*(Sonic:340m/s))/2

 

Wiring Instructions: 

VCC —- DC 3.3V-5.5V

GND —- Ground Wire

Trig —- Control End

Echo —- Receiving End

OUT —- Switch Output

 

Specification:

Working Voltage: DC 3.3V-5.5V

Nominal Frequency: 40KHz

Level Output: High 5V Low 0V

Induction Angle: No More Than 15 Degrees

Detection range: 2-450cm / 0.79″-177″

Accuracy: Up to 0.3cm / 0.12″

PCB Size: 45 x 21mm / 1.77″ x 0.83″ (L*W)

Fixed Hole Diameter: 2mm

 

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