<font face="Arial, Verdana">http://reprap.org/wiki/Microcontroller_firmware_installation</span></font><div><span style="font-family: sans-serif; font-size: 12.8px; line-height: 19.2px; background-color: rgb(255, 255, 255);">Recently Sanguino has been ported to use the Arduino Core. The Sanguino is now compilable and uploadable easily with Arduino IDE 1.0.4 or above using Optiboot loader. Atmega644p and Atmega1284p are now build and uploadable sketches on latest Arduino IDE. Blog with Details can be found on Bhashatech blog website<font face="Arial, Verdana">
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I cannot find a Sanguino version that matches Arduino v.1.5.5-r2, can I use Optiboot^^^