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Why not just build a one-way serial driver using the Driver Wizard? This will take 2min max...

 

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I built a IR driver for it but I need discrete input codes that only RS232 offers.  I’m not familiar with RS232 code and have tried but have not been sucssesful  building one in the driver wizard. Maybe some examples of how to write the codes or screen shots would help?

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There is some special control characters to know about but it's not hard to figure out... I would have done it for your but this cannot be done blind, I need an actual unit to test and I did not. I may have one in a week or two.

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This is feasible but would require an odd setup that would allow me to see the projector status trough a teamviewer session (maybe and USB webcam or something), by seeing it that would be easy to create a very basic unidirectional driver using the Driver Wizard. I may not call you, I'm not a phone guy, but if you can setup  something to allow me to see the projector, we can certainly schedule moment to work on that and that should be quick. You need to make sure the RS-232 wiring is good, properly connected to the controller, and find some way to plug the computer right into the projector RS232 port if needed, usually with USB to DB9 RS-232 adapter.

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In the driver wizard HEX codes require a '$' in front to signify that it is hexidecimal.

Here's what I think the ON and OFF commands are:

7E  30  30 30 31 20  31 0D      ON

7E  30  30 30 30 20  30 0D      OFF

So for Control4 :

$7E  $30  $30 $30 $31 $20  $31 $0D      ON

$7E  $30  $30 $30 $30 $20  $30 $0D      OFF

 

 

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Input commands

$7E  $30  $30 $31 $34 $30 $20 $34 $32 $0D      HDMI 1

$7E  $30  $30 $31 $34 $30 $20 $34 $33 $0D      HDMI 2

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