Waybar module for controlling brightness of an external display

config.jsonc

//ddcutil version
"custom/brightness": {
    "format": "{icon} {percentage}%",
    "format-icons": ["\uDB80\uDCDE", "\uDB80\uDCDF", "\uDB80\uDCE0"],
    "return-type": "json",
    "exec": "ddcutil --bus 7 getvcp 10 | grep -oP 'current.*?=\\s*\\K[0-9]+' | { read x; echo '{\"percentage\":'${x}'}'; }",
    "on-scroll-up": "ddcutil --noverify --bus 7 setvcp 10 + 10",
    "on-scroll-down": "ddcutil --noverify --bus 7 setvcp 10 - 10",
    "on-click": "ddcutil --noverify --bus 7 setvcp 10 0",
    "on-click-right": "ddcutil --noverify --bus 7 setvcp 10 100",
    "interval": 1,
    "tooltip": false,
},
    
//ddccontrol version
"custom/brightness": {
    "format": "{icon} {percentage}%",
    "format-icons": ["\uDB80\uDCDE", "\uDB80\uDCDF", "\uDB80\uDCE0"],
    "return-type": "json",
    "exec-on-event": false,
    "exec": "ddccontrol -r 0x10 dev:/dev/i2c-8 | grep Control | sed -En 's/.*\\/([0-9]+)\\/.*/\\1/p' | { read x; echo '{\"percentage\":'${x}'}'; }",
    "on-scroll-up": "ddccontrol -r 0x10 -W +10 dev:/dev/i2c-8",
    "on-scroll-down": "ddccontrol -r 0x10 -W -10 dev:/dev/i2c-8",
    "on-click": "ddccontrol -r 0x10 -w 0 dev:/dev/i2c-8",
    "on-click-right": "ddccontrol -r 0x10 -w 100 dev:/dev/i2c-8",
    "interval": 1
  },

Closes my Monitors OSD each interval for me (AOC 27G2G8)