Arduino due

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salve

sto programmando un arduino due ho notato che tute le volte che tolgo e ridò  alimentazione al arduino il software non parte in automatico ma devo premere il tasto reset ogni volta per fa partire l'ardiono

che un modo da evitare questo e fare in modo che all'accensione parte il tutto come un arduino mega? 

grazie

con ogni codice fa così? cosa ci è collegato quando fa così?


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