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Article Index
Page 52
from gpiozero import LED
from signal import pause
led = LED(4)
led.blink(on_time=1,off_time=1,n=100)
print("Program Complete")
pause()
Page 52
from gpiozero import LED
led = LED(4)
led.blink(on_time=1,off_time=1,n=100,background=False)
print("Program Complete")
Page 58
from gpiozero import LED
from time import sleep
led = LED(4)
while True:
led.toggle()
sleep(1)
led.toggle()
sleep(1)
Page 59
from gpiozero import Buzzer
from signal import pause
buzz = Buzzer(4)
buzz.beep(on_time=1,off_time=1,n=100)
print("Program Complete")
pause()
Page 61
from gpiozero import DigitalOutputDevice
class Lock(DigitalOutputDevice):
def __init__(self,*args,**kwargs):
if 'active_high' in kwargs:
raise TypeError("active_high not supported")
super().__init__(*args,**kwargs)
def lock(self):
super().on()
def unlock(self):
super().off()
def on(self):
raise AttributeError("'Lock' object has no attribute 'on'")
def off(self):
raise AttributeError("'Lock' object has no attribute 'off'")
def blink(self):
raise AttributeError("'Lock' object has no attribute 'blink'")
Page 62
from gpiozero import LED
led1 = LED(4)
led2 = LED(17)
while True:
led1.on()
led2.on()
led1.off()
led2.off()
