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Non-invasive measurement of distances with Arduino Yun [Part 3]

  The following illustrates¬†alternative method of calculating the distance within the Arduino yun sketch for some ultrasonic sensors as hc-SR04 :     http://www.micropik.com/PDF/HCSR04.pdf http://www.elecfreaks.com/store/download/product/Sensor/HC-SR04/HC-SR04_Ultrasonic_Module_User_Guide.pdf   The method of calculation is similar to the calculation of the distance from themselves to thunder after seeing the lightning and hearing the thunder later. Calculate the speed of…

Non-invasive measurement of distances with Arduino Yun [Part 2]

We will see how to develop an application (Android App) that allows measurement of distances using device (ideal for distances difficult to measure such as height of a ceiling, or useful as an assistant to parking car). To be used is required to have Arduino Yun and a small ultrasonic sensor. App communicates with AndroidYun…

Non-invasive measurement of distances with Arduino Yun [Part 1]

In this part we will see how to build integrated mobile application with Arduino Yun for the non-invasive measurement of distances. We will use an ultrasonic sensor. This can be useful in many applications. For example I’ve used this app to measure the height of the walls of the house (useful for the development of…

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