Thread: PWM Frequency
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Unread 30-09-2006, 12:46
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Mike Betts Mike Betts is offline
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Re: PWM Frequency

Quote:
Originally Posted by Guy_E
I think you didn't understand my question. I have a cable, which has nothing to do with the VEX orange cable.

The cable is RJ11 to serial and I want to use it instead of the orange cable.
The reason I want to do it is because I have 2 VEX controllers, and only one cable and I need two (one is not mine). In order to buy a cable I need to buy the entire programming kit which costs about 100$. I want to save my money and use my own cable.

I hope Im clear now...
Guy,

OK... There are three paths which you may follow...

1. Contact IFI via the VexForum and ask how to purchase the cable you want.

2. Contact IFI via the VexForum and ask for a schematic for the DB9 to RJ11 cable (with programming button) and modify your cable appropriately.

3. Take the orange cable which you already have. Using an ohm-meter, trace out each of the RJ11 pins back to the DB9 and determine which pins go where on the DB9 (at least 2 pins should connect). Then determine which pins get shorted out when the programming button is pressed (most likely the 2 unused by the DB9) and modify your cable appropriately.

Best of luck...

Mike
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Mike Betts

Alumnus, Team 3518, Panthrobots, 2011
Alumnus, Team 177, Bobcat Robotics, 1995 - 2010
LRI, Connecticut Regional, 2007-2010
LRI, WPI Regional, 2009 - 2010
RI, South Florida Regional, 2012 - 2013

As easy as 355/113...
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