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

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

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Brand: SainSmart
Category: Car Audio or Theater

List Price: $12.00
Buy New: $3.75
as of 9/30/2014 16:23 EDT details
You Save: $8.25 (69%)

New (23) Used (1) from $2.11

Seller: NinjaChickdotcom
Sales Rank: 474

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

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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 :

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Editorial Reviews:

Product Description
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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