To actually get the code onto the chip, the IDE supports using the Arduino as a programmer as well as dedicated hardware like the BusPirate or the USBasp. If you go the Arduino route, [Wayne] has ...

The programmer uses a firmware-only USB driver and there is no special USB controller ... to Arduino board with Arduino serial programming interface, USBasp or Arduino ISP, without the need for ...

Arduino has today announced the availability of the latest Arduino IDE in the form of version 1.6.6 which has now been released and is available to download. The release of the Arduino IDE 1.6.6 ...