The tutorial is fairly straightforward, and even demonstrates how the Arduino can be used as an ISP for the ATtiny, removing the need to purchase a standalone programmer.

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 ...

Write the programme – called ‘sketch’ in Arduino speak (you do have to add ATtiny85 capability to the standard Arduino software – easy, see SparkFun link below). Re-programme the Uno as a programmer, ...

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.