[sudo-discuss] null modem adaptor needed

[Jake]

also if you want to see the robot shake its maraca, start reading the 
manuals so you can program it!  i am told that it's "easy" to program 
things like "waypoint one, waypoint two, repeat" and then set the speed...

and shaking the maraca (after it's wedged firmly into the "hand") would be 
a perfect Hello World!

getting the serial stuff to work is for uploading programs written 
elsewhere, or hopefully controlling the robot directly over the serial 
port.

-jake

On Sat, 6 Sep 2014, hol at gaskill.com wrote:

> 
> i've got a DB-9 gender changer sitting around - would that work?  coming by
> sunday and would love to see the robot shake its maraca! 
> 
>  
> 
>  
> 
> On 2014-09-06 13:04, Jake wrote:
> 
> i feel ridiculous asking for a null-modem adaptor...
> 
> and certainly one can be made with a bit of soldering on a regular cable (wh
> ich we have extras of)
> 
> but if anyone has a null-modem adaptor laying around, i think we need it for
>  the robot.  A DE-9 to DE-9 (male to female) would be ideal, although a DB-2
> 5 one would work too.  Even if it goes from 25 to 9 pins that would be fine.
>   We have lots of regular serial cables.
> 
> This is to hook the 3d-printing desktop computer up to the robot, so we can 
> make it do more stuff.  I am not sure a null-modem adaptor is needed, but it
>  doesn't seem to say anything at all without one so i'm guessing that's the 
> problem.  Normally a disk drive (which we have) plugs into this port on the 
> robot, so to connect the robot to a computer would suggest DTE-DTE which wou
> ld require a null-modem adaptor.
> 
> -jake
> 
> * there is no such thing as a DB-9 connector:
> http://en.wikipedia.org/wiki/D-subminiature#mediaviewer/File:DSubminiatures.
> svg
> 
> DCE/DTE and null-modem adaptors:
> http://en.wikipedia.org/wiki/Data_terminal_equipment
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>