'veliero' is an Arduino compaitble microcontroller programable via the ICSP connector. an AVR programmer such as the USBtinyISP or AVRISP II is required to program the veliero. Since there is no need for a bootloader, the maximum amount of space is available for uploading code. The name is taken from the resemblence the PCB traces bear to a sailboat, the Italian phrase for which is 'veliero.'