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SunFounder 2 pcs Ultrasonic Module HC-SR04 Distance Sensor for Arduino UNO MEGA R3 Mega2560 Duemilanove Nano Robot Rapsberry Pi 3, 2 & RPi Model B+ XBee ZigBee

4.4 out of 5 stars 105 customer reviews

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  • Increased ranging distance to 7m, providing stable signal within 5m, and gradually faded signal outside 5m till disappearing at 7m position.
  • Uses IO trigger for ranging, generating high level signal of at least 10us.
  • Operating voltage: 5V; Working current: 16mA.
  • Equipped with anti-reverse pin socket – making the wiring much tighter and convenient; 4-pin anti-reverse cable also included.
  • Uses the MCU STC15W104 which has a built-in clock, no need of external crystal oscillator.
$9.99 Free Shipping for Prime Members
FREE Shipping
Get free shipping
Free 5-8 business-day shipping within the U.S. when you order $25 of eligible items sold or fulfilled by Amazon.
Or get 4-5 business-day shipping on this item for $8.07. (Prices may vary for AK and HI.)
Learn more about free shipping
on orders over $25—or get FREE Two-Day Shipping with Amazon Prime
In Stock. Sold by SunFounderDirect and Fulfilled by Amazon. Gift-wrap available.

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Product description

Introduction
The SunFounder HC-SR04 Ultrasonic Ranging module includes an ultrasonic transmitter, receiver and circuits. It has 4 pins: VCC, TRIG, ECHO and GND. The anti-reverse pin header onside makes it easy to connect and apply.
As for the ranging principle, it is quite simple to understand: pull up the pin Trig to High thus providing high level signals of at least 10us, so the module starts to detect and measure the distance; if an object is detected, the ECHO pin will be High, and the duration of it being High depends on the distance detected, thus giving the distance calculation formula: Distance = Duration of High ECHO * Speed of sound (340m/s)/2.
For more details, visit http://wiki.sunfounder.cc/index.php?title=Ultrasonic_Module

Specifications
Operating voltage: 5V
Working current: 16mA.
Weight: 90g;
Dimensions: 46 x 20.5 x 19.5 mm (thickness of anti-reverse pin socket included)

Component List
2 x HC-SR04
2 x 4-Pin anti-reverse cable


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