Getting Started with Adafruit Trinket

Engineer, Maker, and innovator Mike Barela is a Senior Foreign Service Officer with the US Department of State. A graduate of both Whitman College and the California Institute of Technology in Electrical Engineering, he has worked at Hewlett-Packard, the NASA Jet Propulsion Laboratory, and Boeing. He has traveled the world, living in a number of countries providing security to American Embassies. An avid electronics enthusiast, he has worked on computers since the introduction of the PC. He rekindled his electronics and microcontroller interests, authoring a number of popular articles on using Arduino-compatible systems. This includes collaboration with Adafruit Industries on their popular Trinket microcontroller.

Chapter 1Introducing Trinket
Trinket Versus Arduino Uno
Using Trinket
The ATtiny85 Microcontroller
Memory
Connectivity
Three Volts or Five Volts?
The Adafruit Gemma
Chapter 2Software Installation
Supported Operating Systems
The Preconfigured Arduino IDE from Adafruit
Modifying the Standard Arduino IDE
The USBtinyISP Driver for Windows
Seeing the Trinket in Windows
Windows Driver Troubleshooting
Linux
Conclusion
Chapter 3Connection and Programming
Preparing the Trinket
Connecting Trinket to Your Computer
Loading a Program
The Trinket Data Pins
Exploring Data Pins
Not All Pins Are the Same
Different Ways to Power Trinket
Analog and Digital Sensors
Trinket Theremin
Sound and Music
Conclusion
Chapter 4Libraries and Optimization
Arduino Libraries
ATtiny-Optimized Libraries
Installing Libraries
Library Issues and Limitations
Memory Optimizations
Conclusion
Chapter 5Intermediate Projects
Controlling Smart LEDs: NeoPixels
NeoPixel Ornaments
LED Color Organ
Kaleidoscope Goggles
Servos
Trinket Servo Control
Using I2C—The Two-Wire Interface
Temperature and Humidity Sensing
Ultrasonic Rangefinding
Communicating via Serial
The Analog Meter Clock
Conclusion
Chapter 6Advanced Projects
Trinket Jewelry
Program Memory for Data
Trinket Occupancy Display
Trinket Alarm System
Bluetooth Communication
Trinket Toy Animal
Trinket Rover Robot
SPI Communications
Trinket Audio Player
Conclusion
Chapter 7Going Further with Trinket
Microcontrollers: Smaller Versus Larger
The Trinket Bootloader
Programming Your Own ATtiny85
Community Resources
Chapter 8Troubleshooting
Your USB Cable
Connectivity Issues
Arduino IDE Issues
Common Library Problems
Error Messages
Usage Issues
Manufacturer Support
Appendix Making Electronic Sounds
Appendix Parts Sourcing
Trinket
Displays
Sensors
Resistors
Nuts and Bolts
Kits
Appendix Publications
ATtiny85
Books
Additional Resources