raspberry pi power saving: sleep/wake, display off

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Re: raspberry pi power saving: sleep/wake, display off

by JPD » Tue Mar 24, 2020 10:26 pm

Thanks so much I will test it out :)

Re: raspberry pi power saving: sleep/wake, display off

by aka » Mon Mar 23, 2020 5:55 pm

Try the latest build: http://wtware.com/testing/202003181227.zip

It should really turn off. But there is no way to turn it on.

This tool works: https://www.amazon.de/dp/B00386RXW6/?smid=AQNTLXYADUQ5X

Here is the user post about it: viewtopic.php?p=81670#p81670

Re: raspberry pi power saving: sleep/wake, display off

by JPD » Mon Mar 23, 2020 1:07 am

I have the same question, but for a RPI4, I see in the link that was provided that hdmiblanking has not been implemented in RPI4 yet.

I'd like the user to be able to have some way to fully turn off the RPI safely, without having to unplug the power cord.

Currently I have added hdmiBlanking=1 in the config.txt file in the Pi just in case, but that didn't work.

I have the shutoff option turned on in the infobox, but when I click that, the displays go into powersaving mode, but the Pi's fan and LEDs are indicating the device is still on.

Re: raspberry pi power saving: sleep/wake, display off

by ilya » Thu Mar 19, 2020 8:00 pm

hdmi_blanking=1 is what solved it for me

Re: raspberry pi power saving: sleep/wake, display off

by aka » Mon Mar 16, 2020 3:45 pm

3) sleep=5,poweroff

Also, try to add "hdmi_blanking=1" to config.txt on SD.

https://www.raspberrypi.org/documentati ... t/video.md

Re: raspberry pi power saving: sleep/wake, display off

by ilya » Mon Mar 16, 2020 12:48 pm

I guess my initial question was not detailed enough.
I have tried the below setings with no desired effect (raspberry pi 3)
1) sleep = 5,standby
2) sleep = 5,suspend
result only in screen turing balck in 5 min. But It does not turn off (meaning the backlit if still on and it cosumes energy)
On other words the display shows a black picture, but does not go into standy.

Re: raspberry pi power saving: sleep/wake, display off

by aka » Mon Mar 16, 2020 10:24 am

raspberry pi power saving: sleep/wake, display off

by ilya » Mon Mar 16, 2020 7:31 am

Is there a way to enable power saving functions in raspberry pi:
- turn off display after a period of inactivity
- sleep after a period of inactivity

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