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Thread: Alphanumeric sizing...

  1. 12-05-2002, 03:53 PM #1
    CoyoteBoy
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    Question Alphanumeric sizing...

    I'm a newbie here, so I've spent forever searching the posts for pics non-graphic displays using mxplay or equiv. I cant find any, and I've not prepared a presentation for tomorrow morning so I thought I'd try to save some time.....

    I'm about to buy an alphanumeric, the smaller the better really (reasons of security - i.e. parking the car in Liverpool, England - 2 head units, 1 amp, 1 large sub and 3 windows later I learn my lesson ) but I do want a decent output from it. I'd like at least track name, artist and time.

    I'm looking at 20x2's and 20x4s (easy to hide in a peugeot 205) - would the x2 be sufficient? Anyone got any photos of each type so I can see the readout? I'm planning on using it connected to a p166mmx. I'll be purchasing from Farnell (UK) unless anyone knows of cheaper?

    the 20x4 runs on either a KS0065b or ks0063b driver - the 20x2 runs on the ks00066. Any known problems?

    How easy is it to backlight the units with a normal set of LEDs if they arent already backlit??

    Also, last question for now.....
    is 8ft of cable (boot to dash, roughly) too long for a parallel, would the serial be better? If so can mxplay route to the serial too?

    Cheers for any help,
    James
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  2. 12-05-2002, 04:54 PM #2
    Charliey
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    20x4 would be much easier to display information, with a 20x2 you could see the nessesiary info, but nothing else.

    8' should be ok, for a parallel cable.
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  3. 12-05-2002, 05:39 PM #3
    CoyoteBoy
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    Originally posted by Charliey
    20x4 would be much easier to display information, with a 20x2 you could see the nessesiary info, but nothing else.

    8' should be ok, for a parallel cable.
    Excellent, thanks for that. I'll get the x4, only its not backlit. Are the screens easily backlit if I have some tiny surface mount LEDs?? Do you need diffuser or similar?

    I'll check farnell to see if they have anything like backlighting kits - it should be easy electronically, just not craftsman-wise

    Thanks again,
    James
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  4. 12-05-2002, 07:09 PM #4
    Charliey
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    Yeah, its a pretty small space inbetween the lcd screen and the pcb. It might be possible, depending on how its designed, but im not sure. I know they make backlit ones, you should check around to see if you can find one thats backlit.

    You can buy backlit ones from http://www.matrixorbital.com/ and http://www.crystalfontz.com/
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  5. 12-06-2002, 05:21 AM #5
    CoyoteBoy
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    cool, I've tracked down an awesome inverted backlit LCD....eio.com or oei or some combination of vowels. I've not ordered it yet but its a sweet looking 20x4 on a 44780 controller - hope they dont hit me with a massive shipping bill from us to uk!

    That one should clear all my worries - the correct controller and backlit. And I've found a great piece of dash that can be anhialated to fit it in inside a draw - cool hiding place

    Anyone from the UK here thats experienced these vowel-happy sellers?

    James
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