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Thread: So, give us new LCD touchscreen options!

  1. #171
    MySQL Error jcdillin's Avatar
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    Quote Originally Posted by Scouse Monkey
    so i take it you jsut have to pay for postage for now?

    i'm still confused on that one, I have to wait till she e-mails me back
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  2. #172
    MySQL Error jcdillin's Avatar
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    Quote Originally Posted by Scouse Monkey
    Oh and they sent me a circuit for a low cost PWM controller wirth separate pots for brighness adjust and PWM range which should prevent overpowering the CCFL. (i guess we need to check the output )

    Onething we need to come up with is a simple way to have a manual overide dial or maybe just a pot in series that we can just use to adjust the backligh if it is not quite right.
    well if we decide to go with a microcontroller it would be easy just to make a override with a pot, or heck even could have just 2 up down buttons that would step the brightness in increments.

    now wouldnt that be cool, you could have 3 buttons a auto button and a up down button, so if you clicked auto it would control it, and if you pushed the up or down button it would turn off the auto and go to manual control

    or for that matter we could just create a small windows app that would control the backlight
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  3. #173
    MySQL Error Scouse Monkey's Avatar
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    yeah windows could be useful - especially to fine tune the autdimming feature.

    I have writen to the guy stating some rough deatils such as the voltages, current etc so hopefully he will reply with an off-the-shelf inverter!

    Did china say they had anything suitable?

  4. #174
    MySQL Error jcdillin's Avatar
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    dang! I forgot to ask them, i'll send them another e-mail. I bet this lady is starting to get annoyed with me and all these emails
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  5. #175
    MySQL Error Scouse Monkey's Avatar
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    I got an email back from the inverter place in NY....they say the P44W looks like it might do (what we thought). The international sales manager is back on thursday. This would be fully enclosed. Can you ask China what connectors the inverters will have and we also need frequency info as well as voltages and currents.

  6. #176
    MySQL Error Scouse Monkey's Avatar
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    Oh i forgot, there was mention of 'samples' in the email, which is good.

  7. #177
    MySQL Error jcdillin's Avatar
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    Quote Originally Posted by Scouse Monkey
    I got an email back from the inverter place in NY....they say the P44W looks like it might do (what we thought). The international sales manager is back on thursday. This would be fully enclosed. Can you ask China what connectors the inverters will have and we also need frequency info as well as voltages and currents.


    ok i'll send them another e-mail and find out.

    I also got an e-mail back from them as well, and they seem willing to send me a sample.

    honestly i'll be surprised if they will be able to sell us an inverter with the specs we need. (from china)
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  8. #178
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    Wow scousie, so this is where you hang out when you dont talk "A"s

    Hows the backpassagelighting comming along

    Sorry cant help it

  9. #179
    MySQL Error Scouse Monkey's Avatar
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    Quote Originally Posted by jcdillin
    ok i'll send them another e-mail and find out.

    I also got an e-mail back from them as well, and they seem willing to send me a sample.

    honestly i'll be surprised if they will be able to sell us an inverter with the specs we need. (from china)
    you think they won't be able to do an inverter?

    I checked the specs on the inverter they suggested and it only goes up to 900V. It also has an internal PWM controller which just needs an anologue input of 5V for dimmest and ground for 100% brightness which is pretty cool. It can be connected to a PWM source too.

    EDIT: Chris, yeah this is my new project.

  10. #180
    MySQL Error jcdillin's Avatar
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    that would be perfect for ones that want pot control or like me they can do something a little more fancy
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