   //                  |
   // Pin 0 o----------+
   //
-  pinMode( LDR_PIN, INPUT );
+  pinMode(LDR_PIN, INPUT);
   
   // change range and resolution of analog pin, default
   analogReference(DEFAULT);
 #endif // USE_LDR
+
+#ifdef USE_LEDS
+  pinMode(LED1, OUTPUT);
+  pinMode(LED2, OUTPUT);
+  pinMode(LED3, OUTPUT);
+  pinMode(LED4, OUTPUT);
+#endif // USE_LEDS
 }
 
 int getRawTemperature(float temp,int precision=12) {

 */
void setup()
{
#ifdef DEBUG
  /* Initialize serial output at UART_BAUD_RATE bps */
  Serial.begin(UART_BAUD_RATE);

#define SEND_DATA
// read photo resistor (LDR)
#define USE_LDR
// use up to four LEDs, will blink
#define USE_LEDS

#ifdef DEBUG
 // http://arduiniana.org/libraries/streaming/
