La suite des essais de programmation Arduino. J’ai ajouté une photo-résistance au premier montage présenté ici Photo-résistance = LDR Schéma de montage (A1 = entrée analogique de la carte arduino) Photo : le bout de programme ajouté au précédent : int LDR_Pin = A1; //analog pin 0 pour LDR unsigned int LDR_Reading = 0; (…) // lecture LDR int LDR_Reading = analogRead(LDR_Pin); Serial.println(LDR_Reading); Serial.println(); L’échantillonnage se fait sur 10 bits : soit 1024 valeurs. La valeur 0 correspond à 0, et 5V à 1023. Ensuite facile de…
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