from gpiozero import TrafficLights
from time import sleep
from signal import pause
lights = TrafficLights(2, 3, 4)
def traffic_light_sequence():
while True:
yield (0, 0, 1) # green
sleep(10)
yield (0, 1, 0) # amber
sleep(1)
yield (1, 0, 0) # red
sleep(10)
yield (1, 1, 0) # red+amber
sleep(1)
lights.source = traffic_light_sequence()
pause()
from gpiozero import TrafficLights
from time import sleep
from signal import pause
lights = TrafficLights(2,3,4)
'''
Connect RED LED to GPIO2
Connect AMBER LED to GPIO3
Connect GREEN LED to GPIO4
Connect GND frpm Pie to -ves of all LEDS
'''
def traffic_light_sequence():
while True:
yield (0,0,1) #green
sleep(10)
yield(0,1,0) #amber
sleep(1)
yield(1,0,0) #red
sleep(10)
yield(1,1,0)
sleep(1)
lights.source = traffic_light_sequence()
pause()
# Simulating a full traffic lights system
from gpiozero import TrafficLights
from time import sleep
from signal import pause
# Create a lights object
lights = TrafficLights(5, 6, 13)
# create a function
def traffic_lights():
while True:
yield (0, 0, 1) # Green
sleep(10)
yield (0, 1, 0) # amber
sleep(1)
yield (1, 0, 0) # Red
sleep(10)
yield (1, 0, 0) # Red+amber
sleep(1)
pause()
if __name__ == '__main__':
lights.source = traffic_lights()