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> Does PC's Gemini->HDMI adapter work with a HDMI->VGA adapter?
tuk0z
post May 10 2018, 06:17 AM
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Hi!
It'd be very convenient for me to plug my soon-to-come ^^ Gemini to a VGA display.
Someone tested whether a HDMI -> VGA adapter does work with Planet Computer mandatory Gemini -> HDMI display?

We know we can use a standard USB/Ethernet hub, but I haven't found an answer to the above question yet.
EDIT: spelling
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vader
post May 10 2018, 03:22 PM
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QUOTE(tuk0z @ May 11 2018, 12:17 AM) *
Hi!
It'd be very convenient for me to plug my soon-to-come ^^ Gemini to a VGA display.
Someone tested whether a HDMI -> VGA adapter does work with Planet Computer mandatory Gemini -> HDMI display?

We now we can use a standard USB/Ethernet hub, but I haven't found an answer to the above question yet.


I haven't tried this, however the planet usb-c to HDMI cable will output standard HDMI - what you connect it to should not make a difference. An HDMI to VGA adapter should be no different to an HDMI monitor (assuming they support the correct HDMI version). I use a hub/ethernet/card reader all the time, as well as a simple usb-c to usb-a adapter.
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tuk0z
post May 11 2018, 03:10 AM
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That's sweat to hear about, @vader smile.gif

EDIT: I hope this « HDMI Male to VGA Female Video Adapter Line with Audio Line » from Gearbest will do the trick without too much pain in somewhere. It says
QUOTE
● Built-in converter chip, hot-swappable
HDMI video input formats: 480i / 576i / 480p / 576p / 720p / 1080i / 1080p
VGA video ouput formats: 480i / 576i / 480p / 576p / 720p / 1080i / 1080p

I've read PC HDMI cable/converter ouputs anything you need as long as it's HDMI 1080p @60 Hz. And this accessory doesn't say if it handles 1080p @60 Hz , so we'll see!
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Joern
post Jun 17 2018, 11:40 AM
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Does this mean that a direct USB-C to VGA adapter does not work with the Gemini? That means, for VGA output, you will have to use a USB-C to HDMI + HDMI to VGA adapter?
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jdcard
post Jun 17 2018, 06:58 PM
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QUOTE(tuk0z @ May 10 2018, 07:17 AM) *
It'd be very convenient for me to plug my soon-to-come ^^ Gemini to a VGA display.
Someone tested whether a HDMI -> VGA adapter does work with Planet Computer mandatory Gemini -> HDMI display?


I've tested this one: https://www.amazon.com/gp/product/B01MS611LJ/ with mixed success. Older VGA devices that don't support 1080p or 1080i usually don't work. I bought the VGA adapter because a Toshiba TV I sometimes use doesn't respond to Planet's HDMI adapter but also has a VGA input; on that TV the VGA adapter gives good results (except for a 450 millisecond audio delay that I am working with the vendor to try to resolve).
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tuk0z
post Jun 18 2018, 12:14 AM
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@jdcard The adapter you pointed out prints

> - Supported Resolutions: 1080p/1080i (1920x1080), 1600x1200, 1280x1024, 720p/720i (1280x720), 800x600, 576p/576i (768x576), 480p/480i (640x480)

meaning these cheap adapters tech details may be a damn bit on the *commercial* side :/

QUOTE(Joern @ Jun 17 2018, 08:40 PM) *
Does this mean that a direct USB-C to VGA adapter does not work with the Gemini? That means, for VGA output, you will have to use a USB-C to HDMI + HDMI to VGA adapter?

Yes you will. See https://www.oesf.org/forum/index.php?showtopic=35160
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