r ====
{{ :raspberry_pi:rbs11089-keypad3x4.pdf |Datenblatt für 3x4-Tastatur}}
[[https://tutorials-raspberrypi.de/raspberry... undation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in ... e.sleep(20)
os.system("xscreensaver-command -activate") #OS command for Xscreensaver program = Activate, turns on screensaver instantly
while True: # ... nd exit
os.system("xscreensaver-command -deactivate") ##OS command for Xscreensaver program = Activate, turns on screensaver instantly
print("PIR Scr