[GH-ISSUE #159] Keep brightness in sync between MacBook and external Display #115

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opened 2026-05-05 05:05:47 -06:00 by gitea-mirror · 6 comments
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Originally created by @svh1985 on GitHub (Dec 6, 2019).
Original GitHub issue: https://github.com/MonitorControl/MonitorControl/issues/159

I would like to request a feature where the external monitor syncs itself to the macbook's display.
This way you can use the MacBook's Touchbar and it's Ambient sensor.

Originally created by @svh1985 on GitHub (Dec 6, 2019). Original GitHub issue: https://github.com/MonitorControl/MonitorControl/issues/159 I would like to request a feature where the external monitor syncs itself to the macbook's display. This way you can use the MacBook's Touchbar and it's Ambient sensor.
gitea-mirror 2026-05-05 05:05:47 -06:00
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@lougreenwood commented on GitHub (Dec 13, 2019):

This would be super useful!

<!-- gh-comment-id:565489716 --> @lougreenwood commented on GitHub (Dec 13, 2019): This would be super useful!
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@JoniVR commented on GitHub (Jan 9, 2020):

The problem with this is that different display have different amounts of brightness levels though, right?

So for example, my 16" has a 500 nits peak brightness screen while my LG Ultrawide only has 300 nits peak brightness. If we sync both to 100%, they still won't have the same amount of brightness (500 nits vs 300 nits).

<!-- gh-comment-id:572525412 --> @JoniVR commented on GitHub (Jan 9, 2020): The problem with this is that different display have different amounts of brightness levels though, right? So for example, my 16" has a 500 nits peak brightness screen while my LG Ultrawide only has 300 nits peak brightness. If we sync both to 100%, they still won't have the same amount of brightness (500 nits vs 300 nits).
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@svh1985 commented on GitHub (Jan 10, 2020):

Yeah thats true, but better than nothing. Maybe if there is some sort of ratio or offset added like in the brightness menulet. Although I think it should work a bit better than that.

https://github.com/Kalvin126/BrightnessMenulet

image

<!-- gh-comment-id:572925968 --> @svh1985 commented on GitHub (Jan 10, 2020): Yeah thats true, but better than nothing. Maybe if there is some sort of ratio or offset added like in the brightness menulet. Although I think it should work a bit better than that. https://github.com/Kalvin126/BrightnessMenulet ![image](https://user-images.githubusercontent.com/5213210/72137263-cad9db80-338a-11ea-9e28-35aea9f2902e.png)
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@L-C-P commented on GitHub (Jul 21, 2020):

Hi,
great Tool. And I agree, a sync setting would be perfect. In other case I can also press the button on my monitor. Maybe like Apple is doin. If the reported environment lumina is dark and the user manual controls the monitor to a value, store the ration. If the environment lumina is more in the bright area, take also the user setting. Then you can calculate the max and min values for the external monitor based on the current environment lumina.

<!-- gh-comment-id:661803245 --> @L-C-P commented on GitHub (Jul 21, 2020): Hi, great Tool. And I agree, a sync setting would be perfect. In other case I can also press the button on my monitor. Maybe like Apple is doin. If the reported environment lumina is dark and the user manual controls the monitor to a value, store the ration. If the environment lumina is more in the bright area, take also the user setting. Then you can calculate the max and min values for the external monitor based on the current environment lumina.
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@L-C-P commented on GitHub (Jul 22, 2020):

I just found https://lunar.fyi
Lunar is more or less doing the calculation and the monitor control. But the calculation is not working very well. But from there: A Bézier curve would be a good way for the setting and calculation.

<!-- gh-comment-id:662327341 --> @L-C-P commented on GitHub (Jul 22, 2020): I just found https://lunar.fyi Lunar is more or less doing the calculation and the monitor control. But the calculation is not working very well. But from there: A Bézier curve would be a good way for the setting and calculation.
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@stale[bot] commented on GitHub (Aug 3, 2021):

Hey there, it looks like there has been no activity on this issue recently. Has the issue been fixed, or does it still require attention? This issue may be closed if no further activity occurs. Thank you for your contributions.

<!-- gh-comment-id:892141327 --> @stale[bot] commented on GitHub (Aug 3, 2021): Hey there, it looks like there has been no activity on this issue recently. Has the issue been fixed, or does it still require attention? This issue may be closed if no further activity occurs. Thank you for your contributions.
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Reference: github-starred/MonitorControl#115
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