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Slika 4.2: Semafor z utripajočo lučjo za pešce.

Program ampel02.py krmili nov sistem semaforja. Za razliko od prejšnje različice je

program malce nadgrajen.

import RPi.GPIO as GPIO

import time

GPIO.setmode(GPIO.BCM)

rot = 0; gelb = 1; gruen = 2; blau = 3

Ampel=[4,18,23,24]

GPIO.setup(Ampel[rot], GPIO.OUT, initial=False)

GPIO.setup(Ampel[gelb], GPIO.OUT, initial=False)

GPIO.setup(Ampel[gruen], GPIO.OUT, initial=True)

GPIO.setup(Ampel[blau], GPIO.OUT, initial=False)

print ("Ctrl+C zaključi program")

try:

while True:

time.sleep(2)

GPIO.output(Ampel[gruen],False);

GPIO.output(Ampel[gelb],True)

time.sleep(0.6)

GPIO.output(Ampel[gelb],False);

GPIO.output(Ampel[rot],True)

time.sleep(0.6)

for i in range(10):

GPIO.output(Ampel[blau],True); time.sleep(0.05)