General programming discussion • Programmatically Dim 7" LCD Monitor

I bought a non-RPi 7" LCD monitor ("Sun Head" brand) using an HDMI interface. It's working great, FWIW, but I'd like to programmatically dim the display and can't find a way to do it. It is dimmable using buttons on the side of the display, so I suspect there's some means to do it. I tried the approach using

echo 10 > /sys/class/backlight/rpi_backlight/brightness

(as well as "sudo echo...") but no go. In fact, the /sys/class/backlight folder is completely empty.

Any ideas or help?

Statistics: Posted by BoCoKeith — Sat Aug 10, 2024 1:24 pm — Replies 0 — Views 16

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