You should be able to use 'ddcutil' (sudo apt install ddcutil) from a cron job for that purpose.
values can varry (but is usually 5 for OFF) so make sure to check your monitor capabilities
Code:
ddcutil setvcp d6 5 # OFFddcutil setvcp d6 1 # ONCode:
ddcutil capabilitiesStatistics: Posted by aBUGSworstnightmare — Tue Jun 25, 2024 11:11 am