from gpiozero import Button, TrafficLights, Buzzer
from time import sleep
lights = TrafficLights(25, 8, 7)
button = Button(21)
buzzer= Buzzer(15)
while True:
button.wait_for_press()
lights.green.on()
sleep(1)
lights.amber.on()
sleep(1)
lights.red.on()
sleep(1)
lights.off()
buzzer.beep()
from gpiozero import Button, TrafficLights, Buzzer
button = Button(3)
tr1 = TrafficLights(25, 8, 7)
tr2 = TrafficLights(16, 20, 21)
buzzer = Buzzer(15)
while True:
tr2.on()
buzzer.off()
button.wait_for_press()
tr2.off()
#buzzer.on(245)
button.wait_for_release()
cross1 = TrafficLights(2, 3, 4)
cross2 = TrafficLights(18, 15, 14)
btn = Button(5)
def pressed():
print("Don't push the button!")
btn.when_pressed = pressed
while True:
tl1.red.on()
sleep(1)
tl1.amber.on()
btn.press() # for demo purposes
sleep(1)
tl1.off()
tl1.green.on()
sleep(3)
tl1.off()
tl1.amber.on()
sleep(1)
tl1.off()
while True:
tl1.value = (1, 0, 0)
sleep(1)
tl1.value = (1, 1, 0)
sleep(1)
tl1.value = (0, 0, 1)
sleep(3)
tl1.value = (0, 1, 0)
lights.amber.on()
time.sleep(cycle_time)
# Green
lights.red.off()
lights.amber.off()
lights.green.on()
time.sleep(cycle_time)
# Amber
lights.green.off()
lights.amber.on()
time.sleep(cycle_time)
# Red
lights.amber.off()
lights.red.on()
time.sleep(cycle_time)
lights = TrafficLights(17, 27, 22)
while True:
british_lights_cycle(lights, 0.75)
lights.off()
time.sleep(0.75)
lights.off()
print "done!"
from gpiozero import Button, TrafficLights
from time import sleep
Car_red = 18
Car_amber = 17
Car_green = 27
Pd_red = 12
Pd_green = 6
button_pin = 13
Car = TrafficLights(Car_red, Car_amber, Car_green)
Ped = TrafficLights(Pd_red, 14, Pd_green)
button = Button(button_pin)
Car.off()
Ped.off()
try:
def change():
Car.green.off()
Car.amber.on()
print("Car yellow, Pedestrian red")
sleep(1)
Car.amber.off()
Car.red.on()
Ped.red.off()
Ped.green.on()
print("Car red, Pedestrian green")
sleep(5)
Car.red.off()
traffic_light1.green.on()
traffic_light2.red.off()# go signal for south bound traffic
traffic_light2.amber.off()
traffic_light2.green.on()
traffic_light3.red.on() # stop signal for valley 1 traffic
traffic_light3.amber.off()
traffic_light3.green.off()
sleep(2) #standby for 2 seconds until the cycle begins
traffic_light1.red.off() #all warning LED light is on
traffic_light1.amber.on()
traffic_light1.green.off()
traffic_light2.red.off()
traffic_light2.amber.on()
traffic_light2.green.off()
traffic_light3.red.off()
traffic_light3.amber.on()
traffic_light3.green.off()
sleep(1)# standby for 1 sec
break #if the distance value is less than 100cm .. then break the loop
pause()
except KeyboardInterrupt: #ctrl C to turn off the LED and sensor
traffic_light1.off()
traffic_light2.off()
traffic_light3.off()
print('Device off......')