diesen Fall ein/ausschalten, wenn das Ding vorher asl Output definiert wurde (mit i2cset -y 1 0x20 0x... under the terms of the GNU General Public License as published by
# the Free Software Foundation; eit... am from a terminal window in the same directory
# as pir_test.py
# use the comand: sudo paython pir_te... and
import time #for sleep/pause
import RPi.GPIO as io #read the GPIO pins
io.setmode(io.BCM)
pir_p