Atmel’s ATtiny10 is the one microcontroller in their portfolio that earns its name. It doesn’t have a lot of Flash – only 1 kilobyte. It doesn’t have a lot of RAM – only thirty two bytes.

The biggest limitation, that it shares with the ATtiny10, is that it has only 1 ... Maybe that’s why he emphasizes the new pinouts of the ATtiny102 parts. In particular, the GND pin is where ...