ddcutil
soft-brightness
ddcutil | soft-brightness | |
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47 | 2 | |
858 | 117 | |
- | - | |
9.9 | 0.0 | |
11 days ago | 15 days ago | |
C | JavaScript | |
GNU General Public License v3.0 only | GNU General Public License v3.0 only |
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ddcutil
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Show HN: Multi-monitor KVM using just a USB switch
Apologies. I hate when people do that as well.
In addition to the other links posted, ddcutil.org has some more good info: https://www.ddcutil.com/#introduction
- Scrollbars Are Becoming a Problem
- CEC over DisplayPort
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Recommandations KVM
Sous Linux j'avais utilisé ddcutil
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Connecting a Display Port 1.4 graphics card to the Dell thunderbolt dock WD22TB4
Most monitors have a Virtual Control Panel (VCP), which implements features defined in the Monitor Control Command Set (MCCS). This is a VESA standard. You can find the Input selection command in table 8-10. You send these commands over an I2C bus called Display Data Channel/Command Interface which is yet another VESA standard. If you are running Windows https://www.nirsoft.net/utils/control_my_monitor.html will let you use every VCP feature your monitor has. For Linux, https://www.ddcutil.com/ does this. For Mac, https://github.com/alin23/Lunar
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Opinions on functional & performance requirements for a desktop TB/USB4 AIC
The protocol is called DDC , it's a VESA standard. In there, it's called VCP features. If you are running Windows https://www.nirsoft.net/utils/control_my_monitor.html will let you use every VCP feature your monitor has. For Linux, https://www.ddcutil.com/ does this. For Mac, https://github.com/alin23/Lunar note how all three mention input selection.
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TIL there are apps that can control your monitor without touching the buttons on it
ddcutil (a command-line tool, and what most UI tools are based on)
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'monitorctl' cli tool to control brightness, contrast and volume of external monitors on linux
A related non rust tool (that also has an optional GUI) is ddcutil. How does this compare to that?
- I built a widget to adjust the brightness of external monitors
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Brightness issue
I've also used ddcui: https://www.ddcutil.com/#introduction, available as an AUR package: https://github.com/rockowitz/ddcutil. This has a nice GUI: https://www.ddcutil.com/screenshots/ddcui_features.png and works on everything I've tried it on out of the box.
soft-brightness
- Soft Brightness is gone for the time being with the release of Gnome42. Is there a replacement that allows me to not burn my retinas on my old displays?
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Complete noob here, uhhh where is the brightness slider? (Fedora 35)
Assuming you're using Gnome, there is for example https://github.com/F-i-f/soft-brightness but note that this will probably just send darker pixels to the screen and not reduce the backlight brightness. Which means your screen will use more power than necessary and picture quality will probably be worse.
What are some alternatives?
winddcutil - Windows implementation of the ddcutil Linux program for querying and changing monitor settings, such as brightness and color levels.
gnome-shell-extension-gsconnect - KDE Connect implementation for GNOME
ddcctl - DDC monitor controls (brightness) for Mac OSX command line
unite-shell - Unite is an extension that makes GNOME Shell look like Ubuntu Unity Shell.
Clight - A C daemon that turns your webcam into a light sensor. It will adjust screen backlight based on ambient brightness.
blur-my-shell - Extension that adds a blur look to different parts of the GNOME Shell, including the top panel, dash and overview
MonitorControl - 🖥 Control your display's brightness & volume on your Mac as if it was a native Apple Display. Use Apple Keyboard keys or custom shortcuts. Shows the native macOS OSDs.
Burn-My-Windows - 🔥 Disintegrate your windows with style.
open-USB-display-service-utility - Reverse engineering of the apple display service utilty
argos - Create GNOME Shell extensions in seconds
intel-undervolt - Intel CPU undervolting and throttling configuration tool
barrier - Open-source KVM software