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Raspberry Pi Forum Can I connect Pi to a VGA monitor ?
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Can I connect Pi to a VGA monitor ?

mgt6910
mgt6910 over 13 years ago

I don't have a HD monitor (the TV is out of bounds....), so can I connect the Pi's  RCA  or DVI output to

a VGA screen via an adaptor ?   I've found this RCA/VGA converter, but it is designed to work in the other direction ..

 

http://www.amazon.co.uk/S-VIDEO-ADAPTER-CONVERTER-CABLE-LAPTOP/dp/B000P3UB24/ref=pd_sim_ce_1

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  • mgt6910
    mgt6910 over 13 years ago in reply to johnbeetem

    Yes I've seen the report. It looks like 1 failure and several successes with the neewer uinit.  I'll

    report my result soonest (Amazon purchase, via a UK address..........)

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  • Former Member
    Former Member over 13 years ago

    HI. I have bought this one

    BK HDMI Male to VGA RGB Female HDMI to VGA Video Converter adapter 1080P for PC

    and it works in my raspi.

     

    http://www.ebay.com/itm/BK-HDMI-Male-VGA-RGB-Female-HDMI-VGA-Video-Converter-adapter-1080P-PC-/140774355736#ht_2297wt_1172

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  • johnbeetem
    johnbeetem over 13 years ago in reply to Former Member

    Alon Wengierko wrote:

     

    HI. I have bought this one

    BK HDMI Male to VGA RGB Female HDMI to VGA Video Converter adapter 1080P for PC

    and it works in my raspi.

     

    http://www.ebay.com/itm/BK-HDMI-Male-VGA-RGB-Female-HDMI-VGA-Video-Converter-adapter-1080P-PC-/140774355736#ht_2297wt_1172

    Thank you for reporting your success.  Whenever possible, it's very helpful to add such successes to the list of verified peripherals at http://elinux.org/RPi_VerifiedPeripherals#HDMI-.3EVGA_converter_boxes along with any config.txt settings needed to make it work.

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  • Former Member
    Former Member over 13 years ago

    how can I add it?

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  • johnbeetem
    johnbeetem over 13 years ago in reply to Former Member

    Alon Wengierko wrote:

     

    how can I add it?

    I found it suprisingly easy.  Follow the link to eLinux and create a user account using the link at the top right corner of each page.  When you're logged in, [edit] links appear next to each section of a document.  When you click on an [edit] link, the ASCII source text for that section appears in a text editing box.  For most edits, you can just copy and paste existing text to get the formatting.  At the bottom of the editing page are buttons to preview and then submit your change.  It will ask you a very simple Linux-oriented question to filter out automatic spam.

     

    I assume the eLinux wiki software saves everything so it's always possible to get back to an earlier version if someone screws up, but as long as you preview before submitting you should be fine.  I've never created a new page from scratch myself, but I've made lots of changes to existing pages, especially BeagleBoard.

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  • fustini
    fustini over 13 years ago

    I finally bought a $27 Sanoxy HDMI to VGA converter from Amazon and it's worked well for me: Raspberry Pi HDMI to VGA converter

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  • Former Member
    Former Member over 12 years ago

    I too, bought a HDMI to VGA adapter over Ebay, from a supplier out in California.. No particular name or maker on the device..

    I have a HP L1908W VGA wide-screen monitor,

    and.... a major headache...  image

     

    I set the following in the config.txt file:

     

    safe-mode=1

    HDMI-group=2

    HDMI-mode=47

     

    result, a 1/2-sized and badly out of focus screen in text, and if I startx, it stays in the small size, and again, badly out of focus.

     

    Odd thing is, If I connect the same adapter to a HP DV6 laptop running Win-7, it works fine!

    2nd platform, if I connect it to a Toshiba A505 laptop running Ultimate Edition (Ubuntu) Linux 3.5, again, it works just fine. crystal clear view on both..

     

    Odd thing is, if I put the Pi in a simple 820X420 mode, it works just fine, but the obvious oversized resolution.. So.... what is wrong here?  I've noticed the adapter gets a little warm (not burning, but warmer than ambient) when running.. Voltage on the Pi is still staying within the reasonable range... supply is via a 3.6A 5.0V in parallel with a 7-port USB hub. (took a cable, clipped the "A" side off, ran the +5V & GND wires to the barrel socket (supply) of the hub.)

     

    So....  Why is it still outof focus, and not running the full 1440X900 resolution?

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  • johnbeetem
    johnbeetem over 12 years ago in reply to Former Member

    gelfling6 wrote:

     

    I set the following in the config.txt file:

     

    safe-mode=1

    HDMI-group=2

    HDMI-mode=47

    Your problem may be that your config.txt settings are not being recognized because of wrong characters (they use underscore, not minus sign) and CaSe SenSiTivity.

     

    Here's the config.txt Wiki.

     

    Here's the VGA -> HDMI adapter section from the Verified Peripherals Wiki.

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  • Former Member
    Former Member over 12 years ago in reply to johnbeetem

    Sorry, that was typed hastily (and from remote, with the Pi at home, and me at the library.)  but, generally the settings are right, unhashed (no #).. etc... Still, the wrong view, (smaller, and out of focus.)

     

    I just picked-up a pair of Gateway FPD 1975W monitors from the same source as the HP L1908W's.  (the Gateway monitors have a DVI socket besides the Analog/VGA.. and, I have a HDMI to DVi cable.)  So...  Here's hoping.

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  • johnbeetem
    johnbeetem over 12 years ago in reply to Former Member

    gelfling6 wrote:

     

    Sorry, that was typed hastily (and from remote, with the Pi at home, and me at the library.)  but, generally the settings are right, unhashed (no #).. etc... Still, the wrong view, (smaller, and out of focus.)

    "hdmi_safe=1" set values for "hdmi_group" and "hdmi_mode".  I don't know if providing other values for "hdmi_group" and "hdmi_mode" interferes.  I'd try "hdmi_safe" by itself first, which gives 640x480, then replace "hdmi_safe" with its equivalent individual settings, and then change those individual settings one by one.

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