Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.

--- project:arduino-kickstarter-wheewhee [19.03.2011 22:22] – angelegt gonium
+++ project:arduino-kickstarter-wheewhee [14.01.2013 15:56] (aktuell) – Externe Bearbeitung 127.0.0.1
@@ Zeile 1: / Zeile 1: @@
+{{:project:wheewhee_steckplatine.png?200|}}
+<code>
+int sensorPin = A0;    // select the input pin for the potentiometer
+int ledPin = 13;      // select the pin for the LED
+int sensorValue = 0;  // variable to store the value coming from the sensor
+int buzzerPin=8;
+int keyPin = 9;
+int frequency, oldfrequency = 0;
-<code>
+boolean isOn = false;
-foo
+void setup() {
+  // declare the ledPin as an OUTPUT:
+  pinMode(ledPin, OUTPUT);
+  pinMode(keyPin, INPUT);
+}
+void loop() {
+  if (!digitalRead(keyPin)) {
+    // read the value from the sensor:
+    sensorValue = 0;
+    for (int i=0; i<=9; i++) {
+      sensorValue += analogRead(sensorPin);
+    }
+    frequency=(sensorValue/10) * 5 + 220;
+    if (frequency != oldfrequency) {
+      tone(buzzerPin, frequency);
+      oldfrequency = frequency;
+    }
+  } else {
+    noTone(buzzerPin);
+    oldfrequency=0;
+  }
+}
 </code>