Hello First, my English is not good. I beg your understanding even if it doesn’t fit the rules of the word. PIR-Sensor is worked well. but after a long time, the screen turned off because of the screen saver. so I installed an xscreensaver on my raspberry pie. And I turned off the screen saver. The MMM-PIR-Sensor has not worked since. PIR does not work even if xscreensaver is deleted.