the Arduino software is exceptionally easy to get running. That has been a major reason for its success—it dumps out of the box ready to rock. But for more seasoned developers, the included graphical ...

It features dual Atmel Atmega MCUs, -328 and -48, both of which can be programmed from the Raspberry Pi using the Arduino GUI or the GCC Atmel compiler ... Priced at $29.99 and supplied with free to ...