Read the statement by Michael Teeuw here.
Bugsounet and MMM-Pir
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 @FrostByte 
 I don’t know if it helps but the only way I could get my old DVI input monitor to turn on & off was with Wayland enabled and the commandsDISPLAY=:0.0 xrandr --output HDMI-1 --auto --rotate left 
 and
 DISPLAY=:0.0 xrandr --output HDMI-1 --offNick 
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 @lif with wayland enable it should be wl_randr 
 xrandr is for x11
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 hi, i just want to drop this here. 
 my magic mirror is running on a zero2 but very laggy, needs like 10 sec to activate the screen form the pir, often startup failures and so on.
 i was about to move to a bigger raspi and tried to migrate my installation from the zero2 to a pi3.
 unfortunatelly did not got MMM-Pir running.so i switched over to MMM-Universal-Pir and everything is running so much smoother. 
 no need to replace the zero2 anymore :)
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 @gullymat said in Bugsounet and MMM-Pir: needs like 10 sec to activate the screen form the pir, often startup failures I guess this is because of the fact that bugsounet has much more functionalty built in (screen dimming, count down display) - which exactly is the reason why i love it that much :-) Ralf 
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 Thank you @gullymat. Very interesting comparision! 
