Envoie de données sur un port RS232 en Arduino

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Bonjour à tous,

Je suis sur un projet Arduino qui consiste à envoyer des données sur un port RS232, or je ne sais pas du tout quoi utiliser..
Je ne sais pas quelles librairies, fonctions je dois utiliser...

Merci d'avance de vos réponses et de votre aide.
A+ :wink:

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the Serial interface send/receives at various speed over the Arduino Uno serial port used to download code and communicate through the serial monitor.

however, the Uno has only one serial port. Software Serial can be used for an additional interface.

the Arduino Mega has four serial interfaces which can be used direction (e.g. Serial2)

you may need a interface chip to adjust voltages: MAX232

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