/* LED Fire Effect Uses two amber and one red LED to simulate fire From the instructables.com web site, slightly modified */ int ledPin1 = 9; int ledPin2 = 10; int ledPin3 = 11; void setup() { pinMode(ledPin1, OUTPUT); pinMode(ledPin2, OUTPUT); pinMode(ledPin3, OUTPUT); } void loop() { analogWrite(ledPin1, random(135, 255)); analogWrite(ledPin2, random(135, 255)); analogWrite(ledPin3, random(135, 255)); delay(random(1, 100)); }