How to flash an ATtiny 25, 45 or 85 with Arduino

How to flash an ATtiny 25, 45 or 85 with Arduino

In this article I will try to keep it as simple as possible (in terminology) but also as complete as possible about what the ATtiny microcontrollers are, what they can do and how to flash them with something like your standard Arduino UNO (or clone) board. What is the ATtiny? Well to keep it very…