Building iPhone and iPad electronic projects

Preface

1. Getting Familiar with techBASIC and Built-in Sensors

Your Own Tricorder

A Crash Course in techBASIC

techBASIC Sampler

Running Your First Program

Creating a Program

The Accelerometer

2. Accessing the Other Built-in Sensors

The Gyroscope

Radians or Degrees?

The Magnetometer

Faster Sensor Response

Heading

Location

Your Own Tricorder

3. Creating a Metal Detector

The iPhone/iPad Magnetometer

The Earth's Magnetic Field

Using the iPhone or iPad as a Metal Detector

Converting the Magnetometer Sample into a Metal Detector

Using the Metal Detector

Finding Out More

4. HiJack

What Is Hijack?

Building the Sensor

External Power for Hijack

Hello Hijack

When Things Go Wrong

A Better Hijack Program

For More Information

5. Creating a Moisture Meter with Hijack

Adding a Moisture Meter to the Tricorder

Assembling the Moisture Meter

Calibration

Collecting the Calibration Data

Moving Datafiles to and from techBASIC

Using the Calibration Data

Better Software

The Complete Moisture Meter Source

6. Bluetooth Low Energy

What Is Bluetooth Low Energy?

The TI Sensor Tag

Writing Bluetooth Low Energy Programs

The Accelerometer

What's an Accelerometer?

Accessing the Accelerometer

Using the Accelerometer

The Source

The Barometer

Accessing the Barometer

The Source

The Gyroscope

Accessing the Gyroscope

Using the Gyroscope

The Source

The Magnetometer

Accessing the Magnetometer

Using the Magnetometer

The Source

The Humidity Sensor (Hygrometer)

Accessing the Hygrometer

The Source

The Thermometer

Accessing the Thermometer

Using the Thermometer

The Source

Further Explorations

7. Bluetooth Low Energy iPhone Rocket

A Bit of Rocket Science

Parts Lists

ST-1

ST-2

Other Items for Both Rockets

Why Use a SensorTag?

Construction

ST-2: The iPhone/SensorTag Rocket

ST-1: The SensorTag Rocket

The Data Collection Program

SensorTag 8G Software

Flight Tipss

Engines

Parachutes

Flight Conditions

Power Up!

The Data

Analyzing the Data

Rocket Data Analysis

Velocity and Altitude

Rotation and Pressure

What We Found

ST-1 Results

ST-2 Results

8. Hacking a Radio-Controlled Truck with Bluetooth Low Energy and Arduino

Controlling a Truck with BLE

Selecting a Truck

Disassembly

Hacking the Truck

The H Bridge

The TI Chip

Wiring the Complete Circuit

Controlling the Arduino Uno

Installing Arduino

Downloading Firmata

The Software

Pulse Width Modulation

Back to the Software

Start Your Engines!

9. Peer-to-Peer Bluetooth Low Energy

Bluetooth Low Energy Slave Mode

BLE Chat

Setting Up the Services

Using the Services

10. Paddles: A Bluetooth Pong Tribute

The Classic Game of Pong

The Paddles Game

The Paddle Software

The Paddles Console Software

11. WiFi !

Worldwide Sensors

HTTP, FTP, and TCP/IP

WiFly

The Circuit

Establishing a Network Connection

Communication with TCP/IP

A Simple Terminal Program

WiFi Arduino

Loading Software onto the Arduino

The Circuit

Communication Using the Terminal Program

12. WiFi Servos

Servos: They're Where the Action Is

The Pololu Serial Servo Controller

The Circuit

Halloween Hijinks

The Software

Take It for a Spin

Push and Pull with Servos

Pomp and Circumstance

Index