- 2013/08: Change port for signals `PF` to `PD`
- 2013/09: Change port again, it uses inversely `PD0` for data and `PD1` for clock line now.
- 2014/06: Change keymaps
- 2013/08: Change port for signals `PF` to `PD`
- 2013/09: Change port again, it uses inversely `PD0` for data and `PD1` for clock line now.
- 2014/06: Change keymaps