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Internet of Things with Python

You're reading from   Internet of Things with Python Create exciting IoT solutions

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Product type Paperback
Published in May 2016
Publisher Packt
ISBN-13 9781785881381
Length 388 pages
Edition 1st Edition
Languages
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Author (1):
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Gaston C. Hillar Gaston C. Hillar
Author Profile Icon Gaston C. Hillar
Gaston C. Hillar
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Table of Contents (13) Chapters Close

Preface 1. Understanding and Setting up the Base IoT Hardware FREE CHAPTER 2. Working with Python on Intel Galileo Gen 2 3. Interacting with Digital Outputs with Python 4. Working with a RESTful API and Pulse Width Modulation 5. Working with Digital Inputs, Polling and Interrupts 6. Working with Analog Inputs and Local Storage 7. Retrieving Data from the Real World with Sensors 8. Displaying Information and Performing Actions 9. Working with the Cloud 10. Analyzing Huge Amounts of Data with Cloud-based IoT Analytics A. Exercise Answers Index

Measuring ambient temperature with an analog sensor


The upm library includes support for the Grove analog temperature sensor breakout board in the pyupm_grove module. The GroveTemp class declared in this module represents the analog temperature sensor connected to our board. The class makes it easy to retrieve the raw values read from the analog input into values expressed in degrees Celsius (ºC).

We will create a new TemperatureSensor class to represent the temperature sensor and make it easier for us to retrieve the ambient temperature values without worrying about unit conversions that are necessary when working with an instance of the GroveTemp class. We will use the GroveTemp class to interact with the analog temperature sensor. The following lines show the code for the new TemperatureSensor class that works with the upm library, specifically with the pyupm_grove module. The code file for the sample is iot_python_chapter_07_04.py.

import pyupm_grove as upmGrove
import time


class TemperatureSensor...
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