it-11-17/18dj.py

import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
crvena=18
zuta=23
zelena=24
GPIO.setup(crvena, GPIO.OUT)
GPIO.setup(zuta, GPIO.OUT)
GPIO.setup(zelena, GPIO.OUT)

try:
    while(True):
        GPIO.output(crvena, GPIO.HIGH)#Ovde palimo crvenu diodu
        GPIO.output(zuta, GPIO.LOW)
        GPIO.output(zelena, GPIO.LOW)
        print "Crvena je upaljena"
        time.sleep(2)


        #GPIO.output(crvena, GPIO.HIGH)
        GPIO.output(zuta, GPIO.HIGH)
        #GPIO.output(zelena, GPIO.LOW)
        print "Crvena i zuta su upaljena"
        time.sleep(0.5)


        GPIO.output(crvena,GPIO.LOW)
                GPIO.output(zuta,GPIO.LOW)
        GPIO.output(zelena,GPIO.HIGH)
        print "Zelena je upaljena"
        time.sleep(3)


        #GPIO.output(crvena,GPIO.LOW)
        GPIO.output(zuta,GPIO.HIGH)
        GPIO.output(zelena,GPIO.LOW)
        print "Zuta je upaljena"
        time.sleep(0.5)


except KeyboardInterrupt:
        GPIO.cleanup()