無障礙紅綠燈

最後編輯：2016-01-04 建立：2015-12-31 歷史紀錄

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import RPi.GPIO as GPIO
import time
GPIO.setmode(GPIO.BCM)
GPIO.setwarnings(False)
led_pin1 = (2, 3, 4)
led_pin2 = (23,24,25)
buttom=(21)
GPIO.setup(21, GPIO.IN)
for each_led_pin in led_pin1:
GPIO.setup(each_led_pin, GPIO.OUT)
for each_led_pin in led_pin2:
GPIO.setup(each_led_pin, GPIO.OUT)
def isPush():
return True if GPIO.input(21) else False
def f(led_pins):
for each_led_pin in led_pins:
GPIO.output(each_led_pin, False)
GPIO.output(led_pins[2],True)
for t in range(1000000):
if isPush():
break
time.sleep(1)
GPIO.output(led_pins[2],False)
GPIO.output(led_pins[1],True)
time.sleep(3)
GPIO.output(led_pins[1],False)
GPIO.output(led_pins[0],True)
while True:
f(led_pin1)
f(led_pin2)
GPIO.cleanup()