#科技小Pro#
用python通过串口控制继电器开关
importRPi.GPIOasGPIO
importtime
PORT=4
GPIO.setmode(GPIO.BCM)
GPIO.setup(PORT,GPIO.OUT)
defblink(times,delay):
whiletimes>0:
if0==times%2:
GPIO.output(PORT,GPIO.HIGH)#oroutput(PORT,GPIO.True)
else:
GPIO.output(PORT,GPIO.LOW)
time.sleep(delay)
times-=1
return
if__name__=='__main__':
blink(20,1)
