Create led-fade.ino

Author: tritechsc

led-fade.ino

@@ -0,0 +1,25 @@
+int led = 9;           // the pin that the LED is attached to
+int brightness = 0;    // how bright the LED is
+int fadeAmount = 5;    // how many points to fade the LED by
+
+// the setup routine runs once when you press reset:
+void setup()  { 
+  // declare pin 9 to be an output:
+  pinMode(led, OUTPUT);
+} 
+
+// the loop routine runs over and over again forever:
+void loop()  { 
+  // set the brightness of pin 9:
+  analogWrite(led, brightness);    
+
+  // change the brightness for next time through the loop:
+  brightness = brightness + fadeAmount;
+
+  // reverse the direction of the fading at the ends of the fade: 
+  if (brightness == 0 || brightness == 255) {
+    fadeAmount = -fadeAmount ; 
+  }     
+  // wait for 30 milliseconds to see the dimming effect    
+  delay(30);                            
+}