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DLP4500: Using GUI to configure multiple lightcrafters

Luke Brezovec
Prodigy 30 points
Part Number: DLP4500
Other Parts Discussed in Thread: DLPC350

Question 1:

I have two LightCrafter 4500s and want to run both with the same PC. When plugged into the video ports on my PC, both work (act as extensions of my desktop). However, when trying to configure them both, the GUI defaults to the lightcrafter assigned to the earlier port number, and I can't figure out how to select and configure the 2nd lightcrafter.

Question 2:

I would like to synchronize the display of both lightcrafters. How can I accomplish this (I will be using pattern sequence mode)?

Thank you!

  • 0
    TI__Mastermind 20045 points
    Hello Luke,

    I will look into the possibility of controlling both Lightcrafter 4500s but I don't think it's currently supported by the GUI.

    What exactly do you mean by synchronizing the displays? Do you want both patterns to be the same? Of course using an external trigger will give you exact control. But if you detail your application a little more that would help me understand what may be the best way to synchronize them for you.

    Thanks,
    Kyle
  • 0 in reply to Kyle Rakos
    Prodigy 30 points
    Hi Kyle,

    Thank you for your response. If not supported by the GUI, how can I set the appropriate parameters?

    Regarding synchronization, I would like both of their pattern sequence settings (and associated variables) to be identical, but want to display two different patterns. However, I would like both lightcrafters to start at exactly the same time, and display each frame at exactly the same time.

    Cheers,
    Luke
  • 0 in reply to Luke Brezovec
    TI__Mastermind 20045 points

    Hello Luke,

    Here is an excerpt from this previous thread that I was made aware of:

    Primarily the DLPC350 has two connections USB and I2C.

    I2C - You can configure DLPC350 in two device addresses, to make this work you can have max two DLPC350 on one I2C bus, by having multiple I2C buses you can have x2 DLPC350 devices X number of I2C buses .

    USB - The USB uses HID protocol and the DLPC350 has fixed USB VID and PID. The GUI source code allows talking to 1st device that is connected, the driver doesn't allow communicating more than one device at the same time. You look for software to communicate USB HID devices having same VID & PID.

     


    Therefore, if you need to repeatedly issue lots of  parameters you would be advised to communicate using I2C and a more customized setup. Otherwise you may be able to get away with just connecting one USB to the computer at a time to the computer to setup the Lightcrafter.

    As far as your second question I would recommend you use external triggering mode. You could then send the same external trigger to start each set of patterns and get them in sync. 

    Please let me know if anything needs further clarification,

    -Kyle

  • 0 in reply to Kyle Rakos
    Prodigy 30 points
    Hi Kyle,

    Connecting them one by one via USB solved the issue - thank you! I will follow your external trigger suggestion.

    Cheers,
    Luke