ATtiny with USB Boot Loader: Tips & Tricks for DIYers DIYers building a development board similar to this one, and looking for applications to be added through USB without an external programmer, ...

We included the ATTiny85 chip with an on-board USB programmer which simply plugs into the learning kit making it easy to make connections and prototype your projects.

“Possibly the smallest ATtiny85 based ‘duino derivative”. Indeed! When Olimex announced the Olimexino 85s as the smallest Arduino ever, [Tim] took that as a challenge. His very small Ar… ...

It’s called Micronucleus and it turns the lowly ATtiny 85 into a chip with a USB interface capable of being upgraded via a ‘viral’ uploader program.