dumped all my old arduino stuff in here.

Dimmer/Dimmer.ino

@@ -0,0 +1,36 @@
+/*
+ * Dimmer
+ * by David A. Mellis
+ *
+ * Demonstrates the sending data from the computer to the Arduino board,
+ * in this case to control the brightness of an LED.  The data is sent
+ * in individual bytes, each of which ranges from 0 to 255.  Arduino
+ * reads these bytes and uses them to set the brightness of the LED.
+ *
+ * http://www.arduino.cc/en/Tutorial/Dimmer
+ */
+ 
+int ledPin = 13;
+
+void setup()
+{
+  // begin the serial communication
+  Serial.begin(9600);
+  pinMode(ledPin, OUTPUT);
+}
+
+void loop()
+{
+  byte val;
+  
+  // check if data has been sent from the computer
+  if (Serial.available()) {
+    // read the most recent byte (which will be from 0 to 255)
+    val = Serial.read();
+    // set the brightness of the LED
+    analogWrite(ledPin, val);
+    //Serial.write(255);
+    Serial.write(val/2);
+  }
+  
+}