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It's interesting you mention this. I have also started to use RJ11 and
RJ45 connectors in my constructions. It is a neat and compact way of
routing 2, 4, 6, or 8 wires around. I am working out the most neat and
compact way of stuffing them into a Lego block, and I will post them when
they are ready for "prime time".
Michael Gasperi has graciously offered to post pictures of these parts on
his site http://www.plazaearth.com/usr/gasperi/lego.htm, as soon as I get
them taken.
Jeff
jeffrey.hazen@northmill.net
-----Original Message-----
From: Oliver Giesen [SMTP:ogiesen@mdsintl.com]
Sent: Tuesday, October 05, 1999 8:56 AM
To: lugnet.robotics@lugnet.com; lugnet.robotics.rcx@lugnet.com
Subject: Re: Rotary electrical coupling
G'Day
If you are willing to use 'non-pure Lego' parts, then Radio Shack has a
telephone cord 'detangler' that plugs into standard RJ-11 jacks, has 4
conductors, and 360 degree motion. Works rather well, esp. with some
contact enhancer for a cleaner (less 'noisy') electrical path.
Cheers!
Oliver
Jeffrey Hazen <jeffrey.hazen@northmill.net> wrote in message
news:01BF0C69.13794FC0@northmill1...
> I have been working (when I should have been Working) on two things which
> may be of general interest.
>
> The first is a rotary electrical coupling, which allows you to pass 4 • wires
> through a rotary joint. I built the prototype tonight, and I think it
> works pretty well IMHO. I developed this because I wanted to be able to • do
> a full 360 degree scan with a light sensor, without having to worry about
> winding up the motor and sensor wires. The design is probably limited to • 4
> wires, due to the number of grooves on the standard Technic shaft, • although
> you could have 8 if you didn't overload them. This would make the thing
> rather long, though.
<snip>
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