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USS Tydirium

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Reply with quote  #1 

I'm not sure if it's been discussed elsewhere already, so I apologize if I'm repeating an age old question.

But what kind of DMX USB Controllers have successfully worked with Artemis?

I know of ENTTEC, but what about others.

As for the DMX language Artemis uses, is it specific to ENTTEC? or has it been programmed with a universal DMX standard that any ol USB DMX controller can understand?

I have a friend who's a bit of an Electrical Engineer / Programmer, who is working on a lighting control system, he says he could probably program in DMX into the software, but he'd probably need to know what DMX language Artemis talks in, so it works correctly.

Regards,

Greg


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MarkBell

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Reply with quote  #2 
Basically any device with the FT232 chip should work fine.  The FTDI cable and HoldidayCoro cable both work.  Artemis uses the FTDI D2XX driver for converting USB to Serial Bus commands - any controller that reads that info (i.e. FT232 devices) should function fine.

As for your EE friend, if you're using the FT232 DMX controller, then the DMX-512 RS485 serial stream from Artemis post-controller is the industry standard, with packet break followed by up to 512 bytes of sequential data packets.  A DMX-512 receiver should scan the incoming stream post break, discard the first X packets and use packet X+1, where the device has an address of X+1.  It's an 8-bit packet, typically used for lighting intensity, but also used for servo position or strobe rate data.

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USS Tydirium

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Reply with quote  #3 
I'll make sure to pass that data on to my EE friend, I'm sure he understands it better than I do (I understand it a little bit)
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RAdm Greg M.

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MarkBell

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Reply with quote  #4 
There are also a bunch of relatively low cost DMX receivers that do just you're probably looking for - both direct serial to analog LED control as well as DMX to serial light string control.  Checking out HolidayCoro.com is a pretty good starting point for browsing the different systems that are available off the shelf, before designing your own or buying parts from them or amazon.
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