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Diffstat (limited to '1-scala-led-potenziometro.ino')
-rw-r--r-- | 1-scala-led-potenziometro.ino | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/1-scala-led-potenziometro.ino b/1-scala-led-potenziometro.ino new file mode 100644 index 0000000..62a2d45 --- /dev/null +++ b/1-scala-led-potenziometro.ino @@ -0,0 +1,55 @@ +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); + } + +} + |