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Getting Started with Python for the Internet of Things
book

Getting Started with Python for the Internet of Things

by Tim Cox, Dr. Steven Lawrence Fernandes, Sai Yamanoor, Srihari Yamanoor, Prof. Diwakar Vaish
February 2019
Intermediate to advanced content levelIntermediate to advanced
732 pages
17h 10m
English
Packt Publishing
Content preview from Getting Started with Python for the Internet of Things

Interfacing the ultrasonic proximity sensor

First, the basics. A proximity sensor is a type of sensor that senses the proximity of an object from it. There is a universe full of sensors that are available to accomplish this task and numerous technologies that allow us to do so. As the name says, the ultrasonic proximity sensor works on the principal of ultrasonic sound waves. The working principle is quite easy to understand. The ultrasonic sensor sends a beam of ultrasonic sound waves; these waves are inaudible to human ears, but nonetheless it is still a sound wave and it also behaves like a sound wave.

Now, as we know, sound bounces off different surfaces and forms an echo. You must have experienced this echo when speaking in an empty ...

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Publisher Resources

ISBN: 9781838555795Supplemental Content