Common: aggiunto shift temporale per pwm e blink

[sketchbook_andrea] / piezo / piezo_1_tonePitchFollower / piezo_1_tonePitchFollower.ino

diff --git a/piezo/piezo_1_tonePitchFollower/piezo_1_tonePitchFollower.ino b/piezo/piezo_1_tonePitchFollower/piezo_1_tonePitchFollower.ino
index 9ceda24d32cdabfc4475e6f7f51be22477f55990..c609b2918ae618d9dea20e9fe5b0b738aca8bb32 100644 (file)
--- a/piezo/piezo_1_tonePitchFollower/piezo_1_tonePitchFollower.ino
+++ b/piezo/piezo_1_tonePitchFollower/piezo_1_tonePitchFollower.ino
@@ -13,8 +13,9 @@
  by Tom Igoe, with suggestion from Michael Flynn
 
 This example code is in the public domain.
- 
- http://arduino.cc/en/Tutorial/Tone2
+
+- http://www.dummies.com/how-to/content/how-to-make-an-instrument-with-the-arduino.html
+- https://www.arduino.cc/en/Tutorial/tonePitchFollower
  
  */
 
@@ -38,7 +39,7 @@ void loop() {
   // to the output pitch range (120 - 1500Hz)
   // change the minimum and maximum input numbers below
   // depending on the range your sensor's giving:
-  int thisPitch = map(sensorReading, sensorMin, sensorMax, 220, 3500);
+  int thisPitch = map(sensorReading, 300, 900, 220, 3500);
 
   // play the pitch:
   tone(ledPin, thisPitch, 10);
@@ -52,85 +53,4 @@ tra i valori 20hz e 20.000hz.
 3. Modificare lo script in modo che vengano emessi suoni solo quando
 una mano offusca leggermente la luce (il piezo non deve suonare
 se non c'e' un operatore a interagire con la fotoresistenza).
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-Soluzioni:
-// These constants won't change:
-const int sensorPin = A0;    // pin that the sensor is attached to
-const int ledPin = 9;        // pin that the LED is attached to
-
-// variables:
-int sensorValue = 0;         // the sensor value
-int sensorMin = 1023;        // minimum sensor value
-int sensorMax = 0;           // maximum sensor value
-
-void setup() {
-  // initialize serial communications (for debugging only):
-  Serial.begin(9600);
-    pinMode(13, OUTPUT);
-  digitalWrite(13, HIGH);
-
-  // calibrate during the first five seconds 
-  while (millis() < 5000) {
-    sensorValue = analogRead(sensorPin);
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-    // record the maximum sensor value
-    if (sensorValue > sensorMax) {
-      sensorMax = sensorValue;
-    }
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-    // record the minimum sensor value
-    if (sensorValue < sensorMin) {
-      sensorMin = sensorValue;
-    }
-  }
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-  // signal the end of the calibration period
-  digitalWrite(13, LOW);
-}
-
-void loop() {
-  // read the sensor:
-  int sensorReading = analogRead(sensorPin);
-  // print the sensor reading so you know its range
-  Serial.println(sensorReading);
-  // map the analog input range (in this case, 400 - 1000 from the photoresistor)
-  // to the output pitch range (120 - 1500Hz)
-  // change the minimum and maximum input numbers below
-  // depending on the range your sensor's giving:
-  int thisPitch = map(sensorReading, sensorMin, sensorMax, 220, 3500);
-
-  // play the pitch:
-  if (sensorReading < sensorMax -50) {
-  tone(ledPin, thisPitch, 10);
-  }
-  delay(1);        // delay in between reads for stability
-}
 */
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