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.

He contemplated using an ATtiny for smaller projects, but after looking into what he would need to program the chip under Linux, he could never find the motivation to give it a go.

It works like this: Aduino’s programming language is simple, C-like, and free – as is its development environment. Get an Arduino Uno (some other Arduinos work to). Write the programme – called ...