Anyone who would like to learn Arduino programming and more about the fantastic electronic development platform which is fun and easy-to-use to create a wide variety of different projects. Maybe ...

He finally got around to etching this ATtiny85 programming adapter. If the project is not pin hungry, an ATtiny85 can run Arduino sketches without the need to port the code.

The Adafruit Gemma measures just 1 inch in size and is powered by an ATtiny85 and programmable with an Arduino IDE over USB, allowing you to create those wearable projects of the future.