PIR sensor to turn monitor off. Nothing works :(

wishmaster270

Hi,

i recently wrote a tutorial of how to use two of my modules to turn on/off the display with an PIR sensor.

I do not have much time to support at the moment but maybe it helps…

satsatt

I have an opposite behavior after updating MM.
After boot/reboot the mirror is on my HDMI Display but after awhile it disappears.
The motion sensor only activates the backlight of the display but no content.
In the webbrowser and with VNC viewer all is normal.
If i send

/opt/vc/bin/tvservice -p; sudo /bin/chvt 6; sudo /bin/chvt 7

it comes on again on HDMI but not stays.

Is there something like a screensaver for HDMI display active?

wishmaster270

@satsatt
Hi,
it might be a problem with screen blanking.
If you edit your /boot/cmdline.txt like in this description it might solve the problem.

sdetweil

@wishmaster270 if you used the automated install script,m it will turn screen saver off for you if you reply yes…

you can also run the screensaver off script part from the installation repo here
https://github.com/sdetweil/MagicMirror_scripts

it will figure out what system and set it off appropriately.

elleclouds

@wishmaster270 I’ll follow yours today and report back.

elleclouds

@wishmaster270 got it working with your tutorial but once the monitor goes into sleep mode, after not receiving a signal, it doesn’t turn back on unless I unplug and plug it back in.

wishmaster270

@elleclouds Hi, do you see any output of the Gpio module in the log file?

satsatt

@wishmaster270
the cmdline.txt was already ok , i really had to install xscreensaver and disable screensaver to solve my problem.

cowboysdude

It won’t get any easier then this…

https://github.com/cowboysdude/Pir-Sensor

elleclouds

@wishmaster270 said in PIR sensor to turn monitor off. Nothing works :(:

@elleclouds Hi, do you see any output of the Gpio module in the log file?

So I got it working with your tutorial. My only issue now is when the monitor doesn’t have a signal it turns completely off and won’t turn back on unless its unplugged and plugged back in. Is there a way to keep the monitor on, just asleep so that the HDMI signal when signaled, activates the screen?

wishmaster270

Hi,
it depends on your monitor. Maybe there is an option in the monitor configuration menu.
If not you can configure the MMM-Screen-Powersave-Notification module to only hide all modules and show the black background instead of turning the hdmi off (hideInsteadShutoff option)

elleclouds

@wishmaster270 Since the monitor would stay on… would that have any benefits? I can’t access the menu of the monitor due to taking it apart and not knowing where the button to access the menu is located. Thanks for all the assistance and advice, I appreciate it.

wishmaster270

@elleclouds Black causes the display to turn off the backlight which saves energy. But it is surely less effective than switching the display to standby mode.

elleclouds

@wishmaster270 I’m using this in the config file but its coming back with an error. What am I doing wrong?

{
        module: 'MMM-Screen-Powersave-Notification',
        config: {
            delay: 60,
            hideInsteadShutoff:true,
            }
        }
    }

sdetweil

@elleclouds said in PIR sensor to turn monitor off. Nothing works :(:

What am I doing wrong?

please use the markup for code or config info

mark the text, and hit the button above the editor </>

elleclouds

@sdetweil Did you change it for me, because it looks in the correct format? Any help with the code?

sdetweil

@elleclouds yes I changed it… know nothing about the module sorry

sdetweil

@sdetweil well, u have 1 more close brace } then u have opens {

{
        module: 'MMM-Screen-Powersave-Notification',
        config: {
            delay: 60,
            hideInsteadShutoff:true,
            }
        }                  //  ---- what is that guy?
    }

before u fix it run the config checker

cd ~/magicMirror
npm run config:check

so u can learn how to fix them

uros76

For those unsuccessfully trying to put the monitor to sleep and wake up with PIR, are you running MM on pi4 with Rapsberian?
I never managed to get this combination to work. Instead I did succeed with Lubuntu on pi4.

Currently I have working PIR on pi3 with Rapsberian. No issue with this one.
Just the pi4 is so different and worse to configure sleep/wakeup.

BKeyport

Honestly, I would resort to an out-of-MagicMirror experience. I whipped up some python code using GPIOZero to replace MMM-Buttons, for instance…