Make: JavaScript robotics

Preface

1. Building Robots with Lo-tech Materials

Building the SimpleBot

Bill of Materials

Build Steps

Installing Nocle.js Packages

Testing the Build with a Basic Program

Troubleshooting

A Simple Driving Program

Troubleshooting

Cutting the Cord

Building a Wireless SimpleBot

Wiring Up

Controlling the SimpicBot

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 Oliver

Connecting the Motor

Controlling Your Motor: The Code

Adding Keypress Events

Storing Keypress Stale

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 me Boards and Installing Software

Installing Models 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 Smart phone

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 Ul

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

Budding 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

Androsd 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

Configuring the Servos

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

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

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. Cheerful J5

Bill of Materials

Wiring the Circuit

The CheerfulJ5 code

Connecting to the Arduino

Controlling an RGB

Using the Node.js Read-Eval-Print Loop

Denning 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 Soidering

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?

Appendix A. Appendix

Index