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  1. #1
    Super Moderator curious aardvark's Avatar
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    Jul 2014
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    anyone ever had a touchscreen that stopped 'touching' ?

    Switched saffy on today and the touchscreen no longer 'touches'.
    Display is fine and if i change the temp via simplify3d control panel - it shows up on the screen.

    So it's just the touch aspect.

    If you press down really hard and move around, occasionally it will trigger.
    But not often and not consistently - so it's definitely buggered.

    yes i have reflashed the firmware - no difference.

    In short BUM !

    So while i try to track down a new screen - and it's an odd non-standard with a ribbon cable and very little onboard processing. basically, unlike most touchscreens, it's just a a screen.

    I suspect I'll probably have to buy a screen+board pairing.

    Which will throw up further problems as all i can find are robin nano v2 and i want a 1.2 for direct swap.

    Sigh, Right off to see what i can buy.

    ***

    TOP TIP !

    If you decid to remove the ribbon cable from the board and then reinsert to see if that works, and it's always worht a shot.
    Don't drop the bloody teeny tiny metal clip that holds the ribbon in place.

    Like all teeny and absolutely essential bits of metal, as soon as it hits the floor it will instantly dimension jump to another universe and vanish completely from this one.

    And without it the ribbon contacts cannot be pressed against the socket contacts.

    Oh Joy.

    And it appears to be non-magnetic as scouring the floor with both bright lights and magnets has so far turned up not one single bent bit of essential metal.

    This is the first time i've ever had one of these clips come out of the bracket. They are normally held in place and only capable of sliding out enough to release the ribbon.
    Not this bastard :-(

    Also while I do have another 3.2inch touchscreen - it uses an exp cable and the robin nano does not have an exp socket.
    Well, I meanm it wouldn;t would it ?

    Robin nano 1.2 board and screen combo can be had from china for £80 odd and about 3 weeks transit time.

    While i can get a v1.1 board and screen here tomorrow for about £50.
    I can see no visible difference between my 1.2 and the 1.1
    So that's most likely the way I'm going to go.
    It should just be a straight pop and drop.
    'should' lmao, of course it will..

    It would appear impossible to buy the screens by themselves.

    Right, I'm going back under the desk for one last look into the outer dimensions....
    Last edited by curious aardvark; 09-26-2021 at 11:15 AM.

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