[Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver

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[IDEA] [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver

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Idea: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver

30th Jan, 2026, 10:04 PM

Post: #19

~~zidongchn~~ Offline

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RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver

Thanks for the tutorial! This is very useful for dedicated interface screens. I've been looking for a way to dim the screen while playing simple games like Cookie Clicker 2 (https://cookie-clicker2.org) at night. Great work!

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Messages In This Thread

[Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - Lucatze - 3rd Feb, 2017, 08:54 AM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - rikardo1979 - 3rd Feb, 2017, 05:23 PM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - f1vefour - 8th Feb, 2017, 08:25 AM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - Lucatze - 8th Feb, 2017, 09:02 AM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - tridy - 10th Mar, 2017, 09:24 PM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - Yaodgelo - 7th Oct, 2017, 05:52 AM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - tmat256 - 18th Oct, 2017, 10:45 AM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - Desy166 - 20th Nov, 2017, 10:25 PM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - lpt2007 - 5th Jul, 2018, 08:15 AM

Review - johnsonberry - 21st Sep, 2018, 08:47 PM

[Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - newto - 10th Oct, 2018, 11:02 PM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - Skywatch - 11th Oct, 2018, 05:41 PM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - Nachteule - 11th Oct, 2018, 10:05 PM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - hoeb - 5th Jan, 2019, 07:26 AM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - Fistandantilus - 31st Mar, 2019, 11:22 PM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - Fistandantilus - 3rd Apr, 2019, 05:22 AM

RE: [Tut] new lcd MPI7006 - fox_ - 29th Oct, 2021, 07:13 PM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - charlotte - 27th Nov, 2024, 08:26 PM

RE: [Tut] How to turn off Backlight of a Waveshare 7" HDMI LCD using GPIO and screensaver - zidongchn - 30th Jan, 2026 10:04 PM