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  • Book Overview & Buying Learning Beaglebone Python Programming
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Learning Beaglebone Python Programming

Learning Beaglebone Python Programming

By : Alexander C Hiam
Buy this Book
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Learning Beaglebone Python Programming

Learning Beaglebone Python Programming

By: Alexander C Hiam
Buy this Book

Overview of this book

If you have experience with the Python language and are interested in getting started with electronics, then BeagleBone Black is the perfect platform for you and this book will provide you with the information you need.
Table of Contents (14 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Before We Begin
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1. Before We Begin
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An overview of BeagleBone
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Pulse width modulation
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Tools and additional hardware
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The BeagleBone design
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Board comparison
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Helpful resources
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Summary
2
2. Getting Started
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2. Getting Started
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Initial setup
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Updating your Debian image
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Connecting to your BeagleBone
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Connecting to the Internet
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Using the serial console
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Updating your software
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The PyBBIO library
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The Adafruit_BBIO library
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Summary
3
3. Digital Outputs
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3. Digital Outputs
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GPIO modules
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Interactive GPIO
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Calculating resistor values for LEDs
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Driving higher currents from GPIO pins
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Blink
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Taking advantage of the OS
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Summary
4
4. PWM and ADC Subsystems
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4. PWM and ADC Subsystems
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PWM
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ADC
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Your first robot
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Summary
5
5. User Input
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5. User Input
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Buttons
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Potentiometers
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Summary
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6. Program Output
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6. Program Output
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LED displays
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SMTP
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Character LCD
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Summary
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7. Serial Communication
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7. Serial Communication
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Serial communication
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UART
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I2C
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SPI
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Summary
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8. Interfacing with External Devices
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8. Interfacing with External Devices
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Accelerometers
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Summary
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9. Using the Network
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9. Using the Network
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TCP/IP
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HTTP
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IoT Services
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Summary
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10. A Practical Example
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10. A Practical Example
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Weather station
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Connecting to the Internet
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Weather alerts
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Summary
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A. The BeagleBone Black Pinout
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A. The BeagleBone Black Pinout
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B. Disabling HDMI
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B. Disabling HDMI
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Index
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Index

Your first robot

You've now learned enough to make a simple robot. Its purpose is to always be looking at the closest object. OK, it's not the most exciting robot, but it's a great demo of how you can combine what you've learned about the PWM and ADC subsystems.

For this, you will need:

  • Breadboard
  • 1x Sharp IR proximity sensor
  • 1x micro servo motor
  • 3x 1 kΩ resistor
  • 1x 0.1 µF capacitor
  • Jumper wires

Wire up the circuit on your breadboard, as shown in the figure:

Your first robot

The Sharp IR proximity sensor contains an infrared LED, an infrared detector, and some circuitry to drive them. The detector measures the amount of infrared light that is reflected back from whatever object is in front of it, which will vary depending on how close the object is, and a voltage is generated on the output which corresponds to the distance. It requires a 5 V supply to operate, and the output voltage can exceed 3 V. Therefore, a voltage divider is used to not exceed the ADC's 1.8 V maximum. The...

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Learning Beaglebone Python Programming
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