puoi ordinare da seed studio www.seeedstudio.com i supporti per arduino e arduino mega.
http://www.seeedstudio.com/depot/harness-for-arduino-megaarduinoseeeduino-kit-p-437.html?cPath=60_5
http://www.seeedstudio.com/depot/harness-for-arduinoseeeduino-kit-p-153.html?cPath=27