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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

Wiring an analog temperature sensor


In Chapter 6, Working with Analog Inputs and Local Storage, we used a photoresistor included in a voltage divider and we connected it to an analog input pin. We can use a similar configuration and replace the photoresistor with a thermistor to measure ambient temperature. A thermistor changes its resistance value with temperature, and therefore, we can convert resistance changes into voltage value changes.

We can also work with an analog sensor breakout board that includes a thermistor in the necessary configuration to provide us with voltage levels to an analog pin that represent temperature values. In this case, we will work with an analog temperature sensor supported in the upm library to measure ambient temperature.

We will use the the analog pin labeled A0 to connect the voltage output of an analog accelerometer breakout board. After we finish the necessary wirings, we will write Python code to measure and display the ambient temperature in both degrees...

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