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dlakatos847/gist:533336e289670835ed4318fb5ddda237

Last active September 21, 2019 11:40
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RPi beeper on GPIO22
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gistfile1.txt
import RPi.GPIO as GPIO
from time import sleep
buzzer=22
frequency=500.0 #Hz
period=1/frequency
GPIO.setmode(GPIO.BCM)
GPIO.setup(buzzer,GPIO.OUT)
def beep(repeat):
for i in range(0, repeat):
for pulse in range(60): # square wave loop
GPIO.output(buzzer, True)
sleep(99*period/100)
GPIO.output(buzzer, False)
sleep(period/100)
sleep(period * 100)
beep(10)
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