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      You are at:Home»Hardware»HDMIPi Raspberry Pi HD LCD Screen (Beta)
      HDMIPi Screen (Beta)

      HDMIPi Raspberry Pi HD LCD Screen (Beta)

      10
      By Matt on April 5, 2014 Hardware

      Alex Eames from RasPi.tv very kindly gave me a beta version of the HDMIPi screen for the Raspberry Pi along with some stickers*. This was a project funded via a successful Kickstarter campaign which aimed to raise £55,000. In the end it raised £261,250. Which was nice!

      Small HDMI screens are expensive. Native HD ones are astronomical. We want to drive the price down “Raspberry Pi” style.

      I backed the project when it started as I wanted a portable screen and I knew I could trust Alex and the Cyntech team to deliver. It was a very nice surprise to get my hands on the screen so I could start to have a play.

      HDMIPi Screen (Beta)

      Note: The screen and associated hardware Alex gave me is a beta model. Any of it may change by the time people receive their orders as there are a number of improvements and tweaks being made. The controller board in particular is going to look different and may have different connectors on it.

      Screen

      HDMIPi Screen (Beta)The screen itself is 9″ 1280×800 LCD which is the same resolution as the excellent Nexus 7 tablet. It is 4 mm thick with a 5 mm bezel around the edge (approx). The bezel along the bottom is slightly wider at 8 mm. This is going to making it perfect for mounting in DIY enclosures. On the rear of the screen is a ribbon cable which connects to the controller board (via 51-40 way converter).

      The overall dimensions are 207 x 135 x 4 mm.

      The quality of the screen is great. It’s really hard to say much more than that given screen properties are quite subjective. However it stands up well against the other screens I use on a daily basis. The screen pixel density is good enough to use the terminal or LXDE graphical interface without any major adjustments. Although I’m sure owners will prefer to tweak font sizes etc in order to suit their projects and/or eyesight.

      HDMIPi Screen (Beta)Controller Board

      The controller board accepts a 12V DC input and provides the sockets required to connect it to your Pi. The HDMI input means you could connect it to other devices which opens up possibilities for photographers and camcorder users.

      The board can run from 12V but I successfully powered it from a 5V USB RAVPower Power Bank. This was great as I was able to power the screen and a Pi at the same time without needing any mains power. This might simplify projects that require the setup to be portable. It has been suggested that the final board would have a USB port allowing a Pi to be powered at the same time, eliminating the need for two power supplies.

      HDMIPi Screen (Beta)Buttons

      The buttons are mounted on a separate board which is in turn connected to the controller board by a ribbon cable. The buttons provide Power, Menu, Up, Down, Source/Back functionality and if you’ve ever used the controls on a PC monitor you won’t have any trouble with these. I managed to use them without reading the instructions.

      Enclosure?

      CamJam February 2014It isn’t very practical to use the screen on it’s own with the controller board and ribbon cables hanging out the back so you will most likely need an enclosure of some sort. Luckily the HDMIPi Team is also taking care of that. They have demonstrated a prototype case which is similar in principle to the Pimoroni PiBow case. That is a sandwich of layered plastic.

      There are some good photos on the official enclosure page.  The prototype case looked cool when I saw it at the last Cambridge Raspberry Jam. All kickstarter pledge levels included an enclosure as do the current pre-order levels. Pre-orders start at £75 for a 9″ HDMIPi 1280×800 LCD screen, driver board and plastic surround.

      Final Changes

      Since receiving this equipment there have been a number of new announcements about the refined specifications. It is likely that the controller board will not include the VGA or Composite connectors although the VGA pins will still be available on the board. The good news is that this means there will be space for an extra HDMI connector. This won’t suit everyone but two HDMIs is a very attractive feature as far as I am concerned.

      For official updates make sure you follow @HDMIPi on Twitter. It’s also worth considering following @Cyntech1 and @RasPiTV for other Pi related tweets.

      The official website is hdmipi.com and you can place pre-orders!

      HDMIPi Screen (Beta)
      HDMIPi Screen (Beta)
      HDMIPi Screen (Beta)
      HDMIPi Screen (Beta)
      HDMIPi Screen (Beta)
      HDMIPi Screen (Beta)
      HDMIPi Screen (Beta)
      HDMIPi Screen (Beta)
      HDMIPi Screen (Beta)

      * I carefully hid a sticker in one of the photos. See if you can spot it 😛

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      10 Comments

      1. Patrick on April 7, 2014 11:28 am

        I want to know the dimension of the hdmipi.

        height x witdth x depth (outer sides)

        Thanks

        Reply
        • Matt on April 7, 2014 8:41 pm

          Just measured and the dimensions are 135x207x4mm. The screen diagonal is 232mm.

          Reply
      2. Jonathan Hill on April 12, 2014 1:54 am

        I’m guessing it isn’t touchscreen?

        Reply
        • Matt on April 12, 2014 11:09 am

          No touch screen at the moment. Its possible this could be offered as an add-on at a later date. There may already be digitisers out there that could be added.

          Reply
      3. Luke on May 28, 2014 1:38 pm

        I really want to turn my raspberry pi into a laptop, do you think this would be the right monitor? for the power supply i was going to use this http://www.adafruit.com/products/1566 and was wondering if it would power the monitor? and if so could it power the raspberry pi at the same time? thanks!

        Reply
        • Matt on May 28, 2014 7:29 pm

          The HDMIPi would be a good start. There aren’t many screens out there that will work with the Pi at this resolution and at least there will be lots of community interest. Until the final control board is announced I would wait before committing to a power supply … but that battery pack looks fine. I use a similar RAVPower device. I made a lead to connect it to the screen control board DC barrel jack.

          Reply
      4. Angel G on May 28, 2014 7:34 pm

        I’d like to see the HDMIPI thing selling at Farnell – just as RPi itself. I don’t understand why is the composite video output connector.
        This looks like a $96 chinese clone:
        http://www.aliexpress.com/store/product/2014-New-hot-sell-HDMI-DVI-VGA-AUDIO-Controller-Board-10-1-N101BCG-L21-IPS-1366×768/110868_1715855872.html

        Reply
        • Matt on May 29, 2014 8:27 pm

          The HDMIPi will have twin HDMI inputs and a power port for the Pi so will be much better than most screens out there. Plus it will have a case. No point getting a cheap equivalent if you have to carry it around in a plastic bag 🙂

          Reply
      5. Jules on June 21, 2014 9:26 pm

        What is the power consumption of an HDMIPI? I can imagine that one of its biggest markets will be to the small yachtsman market where low power consumption computers and screens are needed for digital navigation on long voyages. I wonder if its resolution and ‘daylight readability’ will be clear enough for using say C-Maps and the Navigatrix OS in the cabin or even in the cockpit? Has anyone tested one on a yacht yet? Are they water resistant… and indeed if the controller can be mounted inside and the screen outside, can they be made fully waterproof?

        Reply
      6. Jürgen Böhm on September 22, 2014 7:51 pm

        Hello,

        I found this some time ago:
        ————————————————————————————————–
        hdmi_group=2
        hdmi_mode=87
        hdmi_cvt=1024 600 60 3 0 0 0
        # http://www.raspberrypi.org/forums/viewtopic.php?f=29&t=24679
        # hdmi_cvt
        # width width in pixels
        # height height in pixels
        # framerate framerate in Hz
        # aspect aspect ratio 1=4:3, 2=14:9, 3=16:9, 4=5:4, 5=16:10, 6=15:9
        # margins 0=margins disabled, 1=margins enabled
        # interlace 0=progressive, 1=interlaced
        # rb 0=normal, 1=reduced blanking
        ————————————————————————————————–
        It runs with the 7″ Screen from Pollin Electronic
        —————————————-One Line—————————————————
        http://www.pollin.de/shop/dt/NTMwOTc4OTk-/Bauelemente_Bauteile/Aktive_Bauelemente/Displays/7_17_78_cm_Display_Set_mit_Touchscreen_LS_7T_HDMI_DVI_VGA_CVBS.html
        ——————————————————————————————————

        Please test on your Screen

        Jürgen

        Reply

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