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int potPin = 2; // pin analogico potenziometro
int ledPin1 = 3; //pin dei led
int ledPin2 = 4;
int ledPin3 = 5;
int ledPin4 = 6;
int ledPin5 = 7;
void setup() {
pinMode(ledPin1, OUTPUT); // dichiaro i ledPin come OUTPUT
pinMode(ledPin2, OUTPUT);
pinMode(ledPin3, OUTPUT);
pinMode(ledPin4, OUTPUT);
pinMode(ledPin5, OUTPUT);
}
void loop() {
int val = 0;
val = analogRead(potPin); //inserisco in val il valore del potenziometro
int mappedval = 0;
mappedval = map(val, 0, 1023, 0, 5); //mappo il valore dall'intervallo 0-1023 a 0-5
if (mappedval>0) {
digitalWrite(ledPin1, HIGH);
} else {
digitalWrite(ledPin1, LOW);
}
if (mappedval>1) {
digitalWrite(ledPin2, HIGH);
} else {
digitalWrite(ledPin2, LOW);
}
if (mappedval>2) {
digitalWrite(ledPin3, HIGH);
} else {
digitalWrite(ledPin3, LOW);
}
if (mappedval>3) {
digitalWrite(ledPin4, HIGH);
} else {
digitalWrite(ledPin4, LOW);
}
if (mappedval>4) {
digitalWrite(ledPin5, HIGH);
} else {
digitalWrite(ledPin5, LOW);
}
}
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