import RPi.GPIO as GPIO
import time

LED = 18

GPIO.setmode(GPIO.BCM)
GPIO.setup(LED, GPIO.OUT)

pwm = GPIO.PWM(LED, 100)
pwm.start(0)

for value in range(0, 1024):
	pwm.ChangeDutyCycle(value / 10.23)
	time.sleep(0.005)
pwm.stop()
GPIO.cleanup()
