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American Poems: Automotive: SainSmart HC-SR04 Ranging Detector Mod Distance Sensor (Blue)
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 Home » Automotive » SainSmart HC-SR04 Ranging Detector Mod Distance Sensor (Blue)

SainSmart HC-SR04 Ranging Detector Mod Distance Sensor (Blue)

SainSmart HC-SR04 Ranging Detector Mod Distance Sensor (Blue)
Other Views:
  • Brand:SainSmart  
  • Category:Car Audio or Theater
  • List Price: $12.00
  • Buy New: $1.95
  • as of 7/23/2014 04:18 EDT details
  • You Save: $10.05 (84%)
In Stock
New (34) from $1.95
  • Seller:oddWires
  • Sales Rank:254
  • Color:Blue
  • Media:Electronics
  • Shipping Weight (lbs):0
  • Dimensions (in):1.3 x 0.4 x 0.1
  • Legal Disclaimer:HC-SR04 Ultrasonic Sensor Distance Measring Module Clone; works and functions exactly like the original.
  • MPN:HC-SR04
  • Model:HC-SR04
  • EAN:6952131720835
  • ASIN:B004U8TOE6
Availability:Usually ships in 1-2 business days

Features:
  • Using IO trigger for at least 10us high level signal
  • The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back
  • IF the signal back, through high level ,time of high output IO duration is the time from sending ultrasonic to returning. Test distance = (high level time velocity of sound (340M/S) /2
  • Power supply :5V DC, quiescent current :


Editorial Reviews:
Synopsis
There are 4 pins out of the module: VCC , Trig, Echo, GND . So it's a very easy interface for controller to use it ranging. The all process is : pull the Trig pin to high level for more than 10us impulse , the module start ranging ; finish 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. So we can calculated the distance easily :Distance = ((Duration of high level)*(Sonic :340m/s))/2

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