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 Robotics / NXT / 1016
1015  |  1017
Subject: 
Re: Hi-speed port communication
Newsgroups: 
lugnet.robotics.nxt
Date: 
Fri, 4 Jan 2008 20:54:07 GMT
Viewed: 
31095 times
  
Hi Ross,

"Ross Crawford" <ross.{mylastname}@gmail.com> writes:
In lugnet.robotics.nxt, John Hansen wrote:

According to folks at LEGO you can simply use a sensor
wire to connect two NXTs together on port 4 and send
data back and forth using this sort of code.

Cool! I wonder if you could daisy-chain NXTs using this
technique, and if so, how many you could connect?

it should be possible to use RS-485 as a bus,
i.e. connect several NXTs with one cable.
You need to make the cable yourself, though,
and you may need some termination on the ends.


Jürgen

--
Jürgen Stuber <juergen@jstuber.net>
http://www.jstuber.net/



Message has 1 Reply:
  Re: Hi-speed port communication
 
(...) Hi all, the physical connection of NXTs via RS485 is just the first half of the solution... Remeber, at 2-wire RS485 you can have one master only and up to 31 slaves. To address each slave, you need to implement a special protocol which (...) (16 years ago, 5-Jan-08, to lugnet.robotics.nxt)

Message is in Reply To:
  Re: Hi-speed port communication
 
(...) Cool! I wonder if you could daisy-chain NXTs using this technique, and if so, how many you could connect? ROSCO (16 years ago, 4-Jan-08, to lugnet.robotics.nxt)

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