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Thread: LCD Backlight Upgrade

  1. #51
    MySQL Error Scouse Monkey's Avatar
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    Quote Originally Posted by dragonBTV
    I can got many double inverter boards for your project at very low price, please have a look at the picture. it will be less than $10 each if you want more than 10

    but I did not buy and test them.

    ahh excellent. They might be better than the ones we are getting but they are bit on the large side. Do you have any specs of what they can output (length or voltage, start voltage) and if they are just standard PWM dimming or have any heating and auto-dimming cirvuits built in?

  2. #52
    MySQL Error jcdillin's Avatar
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    those are nice looking inverters, hopefully all those blank pads are not for the dimming circuit
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  3. #53
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    Quote Originally Posted by jcdillin
    those are nice looking inverters, hopefully all those blank pads are not for the dimming circuit

    I was thinking that.

    I got a nice brand spanking new Avantech 8 serial port PC/104 module today for £16. More than i was hoping to pay but it was new with cables. I love my serial ports

    I can now leave a serial port liked to the dimming control pic for tweaking of the programming. Or maybe even have PC controlled backlighting for certain apps - eg when the phone rings boost up the brightness or when i approach speed cameras boost my GPS screen.

  4. #54
    MySQL Error jcdillin's Avatar
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    nice, i'm getting close to finishing the dimming program for the microcontroller
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  5. #55
    Maximum Bitrate eCarô's Avatar
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    Quote Originally Posted by ming
    I guess dragonBTV sent wrong doc. this one is description of their products, not how they developed super bright LCD.
    That would make sense. I couldn't extract anything useful from it.

  6. #56
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    they sell start from 10, I did not get it

    but you can check the PDF file of OZI chip oz960s it has pwm dimming

  7. #57
    MySQL Error jcdillin's Avatar
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    well those are nice looking inverters, but I think they are too big for our application, if they actually took all the board away where they had blank pads it might be useable.
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  8. #58
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    all the inverters we ar elooking at have pwm dimming. some nice enclosed autmotive ones would be nice. I am wondering about using a cast alloy box - should provide some shielding.

  9. #59
    Maximum Bitrate eCarô's Avatar
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    Quote Originally Posted by jcdillin
    well those are nice looking inverters, but I think they are too big for our application, if they actually took all the board away where they had blank pads it might be useable.
    Wow! You must be really pressed for space.

  10. #60
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    Quote Originally Posted by eCarô
    Wow! You must be really pressed for space.
    Well there is not much room inside some of the screen enclosures so people with the fold out ones would not be able to benifit. also, I dont want a couple of big inveter boards in my dash. Room is tight as it is and i am having to be inventive with my HU.

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