Make by Media, Backstop -- Read -- Imperial Library of Trantor

Index

Preface

Conventions Used in This Book Using Code Examples Safari® Books Online How to Contact Us Acknowledgments

Julián Duque

1. Building Robots with Lo-tech Materials

Building the SimpleBot

Bill of Materials Build Steps Installing Node.js Packages Testing the Build with a Basic Program Troubleshooting A Simple Driving Program Troubleshooting

Cutting the Cord

Building a Wireless SimpleBot

Bill of Materials

Wiring Up Controlling the SimpleBot

Test and configure the module Arduino setup Network test Controlling the SimpleBot wirelessly

Troubleshooting

What’s Next?

2. TypeBot

Bill of Materials

Understanding Your Servomotors

Anatomy of a Robot Arm

Arm Layout Arm Constraints

Building the Hardware

The Base and Shoulder The Elbow The Wrist The Finger The Brains

Writing the Software

Creating the Project Files Controlling the Servos Initialization Sequencing a Key Press Running for the First Time Fine-Tuning the Arm

What’s Next?

3. Getting Started with NodeBoats

Bill of Materials

Tools

The Submarine Motor Pod

Why Use a Motor Driver? Motor Pod Components Modifying the Motor Testing the Motor Finishing the Motor Inserting the Motor Drilling into the Motor Pod Closing the Motor Pod Waterproofing Your Wires

Setting Up Your Spark

Testing the Spark

Your First Spark Program Soldering the Motor Driver Wiring Up Your Boat

Powering the Motor Driver Connecting the Spark and the Motor Driver Connecting the Motor

Controlling Your Motor: The Code

Adding Keypress Events Storing Keypress State

Floating the Boat Steering with Servos

Programming Servo Control Assembling the Rudder

Setting Sail What’s Next?

4. piDuino5 Mobile Robot Platform

Bill of Materials

Tools

Setting Up the Boards and Installing Software

Installing Node.js on the Raspberry Pi Downloading the piDuino5 Code and Dependencies Plug in the Arduino Test Johnny-Five over WebSockets Walk Through app.js Initializing Johnny-Five Controlling the Hardware Low-Latency Control with WebSockets Connect from Anywhere

Assemble the Hardware Controlling with a Smartphone

Downloading the piDuino5 Web App Post localtunnel to the Web App Try the Web App on a Phone

Walk Through app.js and index.html

Storing the localtunnel Address and Frontend Serving the UI Touchscreen Joystick Establishing a Connection Sending Commands

What’s Next?

5. Controlling a Hexapod with Johnny-Five

Bill of Materials Controlling the Robot from the Command Line An Introduction to phoenix.js Assembling the Robot

Prepare the Chassis Mount the Electronics Prepare the Servos Installing the coxae Installing the Femurs Installing the Tibias

The Coordinate System Trim the Servos

Trim the coxae Trim the Femurs Trim the Tibias

Add Ranges to the Servos Walking Is Hard! Meet the Animation Class

An Array of Servos as the Target A Servo.Array as the Target An Array of Servo.Arrays as the Target

The First Animation Segment Walking

The Row Gait The Walk Gait The Run Gait

Turning Command Reference What’s Next?

6. Building Voice-Controlled NodeBots

Bill of Materials

BeagleBone Black

BeagleBone Black and Johnny-Five

Building Our Project Building a Relay Circuit

Controlling the Relay Circuit from Johnny-Five

Building a Microphone Preamplifier Circuit

Connecting the Microphone to the Relay from Johnny-Five

Building the Commands Server Simple Voice Control Using the Web Speech API Integrate the Commands Server with the Relay Circuit Advanced Voice Control Using an Android Wearable

Android Mobile Application Android Wear Application

What’s Next?

7. An Indoor Sundial

Bill of Materials

Foam Core Structural Pieces

Building Our Sundial Cutting and Assembling the Core Structure

Assemble the Mounting Board

Wiring and Configuring the Servos

Wiring the Servos

Wiring the standard (azimuth) servo Wiring the sub-micro (elevation) servo

Configuring the Servos

servos.js Running the code

Building the Lower Base Making the Disks Build the Base Walls and Base Disk Support

Build the Base Walls Position the Disks Build the Disk Support

Finish Parts and Construction

Build the Azimuth Arm Construct the Elevation Arc Cut a Gnomon Wire Up the Sun

Code to Make It Go

Understanding sundial.js Set Up Some Configuration in sundial.js sundial.js Details

The tick function

Putting It All Together! Making It Go! What’s Next?

8. Spooky Lights

Bill of Materials

Choosing a Controller Board

Background

What’s an LED Matrix?

Assembling the Lights

Tools Required Preparing the Matrices Constructing a Cable Assembly

Connecting the Arduino Connecting a matrix

Decorating the Lights Troubleshooting

Controlling an LED matrix

Preparing the Arduino Running a Test Program Matrix Constructor Options Drawing to the Matrix

Developing a Web Application

Development Tools Using the Express Generator Developing an API Adding a User Interface Extending the Application

What’s Next?

9. CheerfulJ5

Bill of Materials Wiring the Circuit The CheerfulJ5 code

Connecting to the Arduino Controlling an RGB Using the Node.js Read-Eval-Print Loop Defining the CheerLights Color Map Accessing the CheerLights ThingSpeak API Using the Twitter Streaming API

Going Wireless with the Spark WiFi Development Kit

Adding the Spark to Your Circuit Using the Spark-io IO Plugin Switching to Battery Power

Packaging It Up What’s Next?

10. Interactive RGB LED Display with BeagleBone Black

Bill of Materials

BeagleBone Black WiFi USB Adapter (optional) External 5V Power Supply (Semi-Optional) RGB LEDs Sensors Miscellaneous

Getting Ready: Software

LEDScape Wiring Your LEDs

Wiring Up Your RGB LEDs Code Time! Let’s Bring in the JavaScript

Running a Test Script Adding in Johnny-Five/Beaglebone-io Adding a Photoresistor Changing Colors with an Accelerometer

What’s Next?

11. Physical Security, JavaScript, and You

Simple Ultrasonic Sensor Project: Experimental Control Test (SUSPECT)

Implementation

SMS Augmented Ultrasonic Sensor Application: General Experimentation (SAUSAGE)

Implementation

Point-of-Entry Monitoring System (PoEMS)

Implementation

Lasers Impress Both Enemies and Relatives, Thank You (LIBERTY)

Implementation

Status Indicator Necessary, Buttons and Diodes (SINBaD)

Implementation

What’s Next?

12. Artificial Intelligence: BatBot

Artificial Intelligence: The Basics

Remote-Controlled Robots Semi-Autonomous Robots Autonomous Robots BatBot

Bill of Materials

Some Notes About the Materials

Assembly Step 1: Remote Control

Moving the Robot Controlling the Robot Pointing and Reading from the Sonar

Step 2: Autonomy

Implementing the Algorithm

Troubleshooting What’s Next?

13. Delta Robots and Kinematics

Bill of Materials Delta Anatomy Building Junky Delta

Making It Move Predictable Positioning Through Kinematics

More Sophisticated Delta Options

TapsterBot Robot Army

What’s Next?

14. Meow Shoes

Bill of Materials Parts Explained Making the Sensor Inserts

Solder the Sensors to the Wiring Install Sensors into the Shoes Tunnel the Wiring out of the Shoe

Connecting the Shoes

Prepare the Coiled Connector Cord

Connect the Shoes to an Arduino

Prepare Wiring Arduino Soldering Attach the Arduino to the Right Shoe

Running the Code with Johnny-Five

Connecting to Johnny-Five Setting up Sensors Logging Output of Sensors Example Behavior

What’s Next?

A. Appendix

Installing Node.js Installing Johnny-Five

Troubleshooting More Information

Configuring Your Hardware

Arduino BeagleBone Black Raspberry Pi

Configuring a WiFi adapter

Spark WiFi Development Kit

Android Development

Installing Android Studio Creating an Android Project Installing Volley

Index

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