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9SHC-SR04
New
The HC-SR04 is a quick, cheap and easy way to measure distance with an Arduino or similar microcontroller.
Free shipping on orders over R1250 - courier delivery and within South Africa
Using this with an arduino is quick and easy, all you need to do is provide a pulse to the trigger input pin and then measure the high time of the output pin and apply the following formula:
Distance = ((Duration of high level)*(Sonic :340m/s))/2
Datasheets: https://www.electroschematics.com/hc-sr04-datasheet/
https://bitbucket.org/teckel12/arduino-new-ping/wiki/Home
http://www.instructables.com/id/Simple-Arduino-and-HC-SR04-Example/
https://docs.google.com/document/d/1Y-yZnNhMYy7rwhAgyL_pfa39RsB-x2qR4vP8saG73rE/edit#
http://arduinobasics.blogspot.co.za/2012/11/hc-sr04-ultrasonic-sensor.html
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