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TrafficLightDemo.py
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TrafficLightDemo.py
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from gpiozero import LED
from time import sleep
north_green = LED(7)
north_amber = LED(8)
north_red = LED(25)
west_green = LED(22)
west_amber = LED(27)
west_red = LED(17)
def north_off():
north_green.off()
north_amber.off()
north_red.off()
def west_off():
west_green.off()
west_amber.off()
west_red.off()
def north_red_only():
north_off()
north_red.on()
def north_red_amber():
north_off()
north_red.on()
north_amber.on()
def north_green_only():
north_off()
north_green.on()
def north_amber_only():
north_off()
north_amber.on()
def west_red_only():
west_off()
west_red.on()
def west_red_amber():
west_off()
west_red.on()
west_amber.on()
def west_green_only():
west_off()
west_green.on()
def west_amber_only():
west_off()
west_amber.on()
while True:
north_off()
west_off()
north_red_only()
west_green_only()
sleep(3)
west_amber_only()
sleep(1)
west_red_only()
north_red_amber()
sleep(1)
north_green_only()
sleep(3)
north_amber_only()
sleep(1)
west_red_amber()
sleep(1)