2x fading LEDs Code: int redLED = 10; int yellowLED = 11; void setup() { Serial.begin(9600); Serial.print("DEBUG: Starting program.\n"); pinMode(redLED, OUTPUT); pinMode(yellowLED, OUTPUT); } void loop() { for (int i = 0; i < 255; i += 1) { analogWrite(redLED, i); delay(10); } for (int i = 255; i > 0; i -= 1) { analogWrite(redLED, i); delay(10); } digitalWrite(redLED, LOW); for (int i = 0; i < 255; i += 1) { analogWrite(yellowLED, i); delay(10); } for (int i = 255; i > 0; i -= 1) { analogWrite(yellowLED, i); delay(10); } digitalWrite(yellowLED, LOW); } Thermistor (Calibrated? no idea...): Wiring: http://www.arduino.cc/playground/ComponentLib/Thermistor Code: int led_state; unsigned long time; int thermalPIN = 0; void setup() { Serial.begin(9600); } void loop() { int temp; temp = (analogRead(thermalPIN) - 458); Serial.println(temp, DEC); delay(1000); }