[SOLVED] Scheduled hdmi off - on

Help and Support Raspberry Pi
1

Hello,
I search all over the internet for solution but no luck…

Running RPI 1 with newest OSMC installed, everything seems to work.

I would like to turn off - on hdmi port at specific (night) hours.
I try with cronjob but not successufully.
Whit command
vcgencmd display_power 0
Hdmi port goes off and monitor turns off, that is great but when I try to do same with cron job I have no luck. Have created hdmioff.sh and chmoded to 777 then try to call from cronjob with: crontab -e
03 20 * * * /home/osmc/Pictures/hdmioff.sh

Is it important where to put this file? I just put it into pictures folder for now.
I am fighting with this for several days now…

Please help me.

Thanks in advance.

2

In your hdmioff.sh script, you will need to specify the full path to vcgencmd.

To find the location of a command:

osmc@kaled:~$ which vcgencmd
/opt/vc/bin/vcgencmd
osmc@kaled:~$

The reason for this is that jobs running under cron do not have the same environment as when logged in.

1 Like
3

One quick search in this forum (has a great search function build in) would have saved you all that searching on the internet

1 Like
4

GREAT HELP !

THANK you both !
I am realy happy now.

You was right, you must know what to search for.

Now I only have to find out how to implement switch off button. But that is another search to make.

5

There is no need to turn off the pi. It is designed to run at all times and use very little power while doing so. Cost savings is quite negligible.

6

It is not about power saving, but system saving.
I am building photo frame for older people and I afraid if they just unplug it everytime they change the place for it, will destroy sd card soner or later.
Dont you think so?

7

It will certainly corrupt the file system at some point, yes.