arduino uno without the functions...

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  hey there....my arduino uno arrived yesterday , have questions guys. i'm interested in how c handles requests wondering if there tutorial online actual physical  addresses used in communicating it.

   i how simple interface software makes communicate board lack of main function , use of macros , constants doesn't let see much.  

i appologise in advance if has been asked before , thank who's willing give me few tips...

oh ....and since first post on board i'd it's nice part of community , hope able whatever can when learn more :).

cool, arduinoist.

the datasheet of processor http://arduino.cc/en/main/arduinoboarduno in combination files in installation_directory\hardware\arduino\cores\arduino should start.

regards,
jeroen


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