This tutorial explains how to use the TinyProgrammer, a small circuit board for loading code on the ATtiny45 and 85 microcontrollers (or other AVRs). Driver Installation (Windows-only) The TinyProgrammer is compatible with the USBtinyISP and uses the same drivers. For Mac OS X and Linux, you shouldn’t need any drivers. For Windows, download and unzip: … Continue reading Using the TinyProgrammer