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Ask an Expert Forum KENTEC ELECTRONICS  K70DWN0
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KENTEC ELECTRONICS  K70DWN0

Former Member
Former Member over 11 years ago

I am looking into using this screen for a project and could this touchscreen be easily hooked up onto a development board or micro controller? or would I need to buy a pcb to control it?

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  • Problemchild
    0 Problemchild over 11 years ago

    Ezra, this is a nice display but the video is all separate data and the Touch screen is bare resistive. There is no controller on this board to simplify it's use so you would need to provide the data at video rates which really is beyond most small controllers especially as you'd need around 35 ish I/O pins dedicated to it!

     

    I would consider a module probably connected via  SPI  but I2C would be OK  again many via EBAY but Farnell have a range for some controllers you'll need to specify which Dev board you are considering for someone to give better advice .

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  • Former Member
    0 Former Member over 11 years ago in reply to Problemchild

    I was thinking about using and arduino

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  • Problemchild
    0 Problemchild over 11 years ago in reply to Former Member

    Not really then, personally unless you have already got skills in communicating to theses displays I would buy yourself a complete Arduino Shield with the display and power already done then cut  your teeth on that ...Choose one with some demo code if you can

     

    CPC have somenice LCDs for Arduino like this one

    http://cpc.farnell.com/cutedigi/shd-touchlcd-n7/2-8-touch-shield-for-arduino/dp/SC1331041?Ntt=sc1331041

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  • Former Member
    0 Former Member over 11 years ago in reply to Problemchild

    Okay good thing I asked then, thanks!

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  • Problemchild
    0 Problemchild over 11 years ago in reply to Former Member

    No problem. It's always more fun to get the right thing first time ....much more likely to continue tinkering in the future then.

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  • Former Member
    0 Former Member over 11 years ago in reply to Problemchild

    Quick last question, what kind of micro controller do you think would of been able to use that screen?

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  • dougw
    0 dougw over 11 years ago in reply to Former Member

    It appears there is a interface card (EB-STM32DISCOVERY-LCD) that allows this display to connect to an STM32VLDISCOVERY Development Board. This development card has an ARM Cortex M3 MCU.

     

    It also appears there is another interface card (EB-AT91SAM3U-LCD) that allows this display to connect to a EM-AT91SAM3U Development Board. Which is also an ARM Cortex M3 based development card.

     

    All are available in the Newark/Farnell store.

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  • Problemchild
    0 Problemchild over 11 years ago in reply to Former Member

    There you go STM32 it is then!!

     

    In general you'd be looking for Dev Kits that had LCD or LVDS outputs .

    Also matching Specific Kits to drivers to panels isn't always that easy as each is different and require there own set p to drive them successfully

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