User manual

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Fig. 4.6: Flashing pedestrian light with button.
The programme ampel02.py controls the new traffic light system with button for the flashing pedestrian
light.
# -*- coding: utf-8 -*-
import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BCM)
red = 0; yellow = 1; green = 2; blue = 3; button = 4
Light=[4,18,23,24,25]
GPIO.setup(light[red], GPIO.OUT, initial=False)
GPIO.setup(light[yellow], GPIO.OUT, initial=False)
GPIO.setup(light[green], GPIO.OUT, initial=True)