[Robotgroup] Drive a Droid proposal... How to detect the "fence"?

[Vern Graner]

TomD wrote:

 > If you want to run with a Vex controller, it will take two receivers.
 > You pick different channels for the TX-RX and then you can do a
 > trainer config. Hold one of the back buttons on the 'Master' radio
 > and the 'Trainee' radio controls the bot, release that button and
 > control reverts to the 'Master'. Also if the 'Master' gets out of
 > range, you can set the bot to a safe mode.

Good to know. I have a vex xmitter and so does rick, so this could be an 
option. :)

 > I think All Electronics was selling a Vex transmitter and a
 > receiver for  about $30.

Thats where I got mine:

http://tinyurl.com/5uh653 [links to allelectronics.com]

 > You still need the controller brick and programming kit.

Hmm. I just have the radio. :( IIRC, there is a library for the 
propeller to interpret the signals from a vex xmitter..? hmmm. 
<checking> yup! there is!

http://obex.parallax.com/objects/197/

:)

 > Is R2 is going to be differential drive like Eyebot?

Yes. It has two drive wheels, one on either side, and the center foot 
has passive casters in it.

 > I could test code on it, or you could just build a simple 2 wheel bot.

That would be very cool! The more people we have that can help get the 
electronics "smarts" going, the better! :)

Vern

-- 
Vern Graner CNE/CNA/SSE    | "If the network is down, then you're
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