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Subject: 
Re: Several hardware questions.. Laser link Hardware expansion n' more
Newsgroups: 
lugnet.robotics
Date: 
Wed, 3 Jul 2002 23:34:16 GMT
Original-From: 
Mike Payson <MPAYSON@DAWGDAYZstopspammers.COM>
Viewed: 
674 times
  
The Ferarri book yalks about some ways to add input or output ports. The
option that looks most promising to me is detailed at
http://www.akasa.bc.ca/tfm/lego_ms2.html

From that site:
"I'm very Pleased to announce that my latest project the '(MS)2 Expander' will
expand your RCX's ports with very little additional programming. Some of the
possibilities are as follows;

1. 6 Full featured output ports!
(3 banks of 2 output ports with 2 usable at any one time with full
"Brake"/"Float" & Direction abilities)

2. 3 + 1 Full featured output ports & 3 + 2 Full featured input ports!
(3 banks of 1 output port + 1 RCX direct port & 3 banks of 1 input port + 2
RCX direct ports)

3. 6 + 1 Full featured input ports! (At the loss of 1 output port)
(3 banks of 2 input ports with 2 usable at any one time + 1 RCX direct input
port)"



On Monday 01 July 2002 01:51 pm, MiB wrote:
Hi - I posted a letter just before and I don't know If it went thru.

I take it again there - Is there some hardware modifications to Mindstorm
so it can have more IO ports - like more Motor control ports and more
sensor ports? -  And a second thougt goes to the IR link if that can be
modified to a long range laser link - (In case some one got tired to the
programming)

Also if the IR transmitter could be replaced by the IRDA transmitter that
is placed on most of the laptoy these days..  In fact I don't have a serial
line anymore here just USB.

--
Mike Payson  |  DawgDayz Dog Walking & Pet Sitting
(206) 280-7295 | www.dawgdayz.com | mpayson@dawgdayz.com



Message has 1 Reply:
  Re: Several hardware questions.. Laser link Hardware expansion n' more
 
I have chased this topic around quite a bit in the last couple of years and built a few prototype devices to perform "I/O expansion". My final conclusion, having gone to the trouble of building a device which permits two of the RCX motor ports and (...) (22 years ago, 5-Jul-02, to lugnet.robotics)

Message is in Reply To:
  Several hardware questions.. Laser link Hardware expansion n' more
 
Hi - I posted a letter just before and I don't know If it went thru. I take it again there - Is there some hardware modifications to Mindstorm so it can have more IO ports - like more Motor control ports and more sensor ports? - And a second thougt (...) (22 years ago, 1-Jul-02, to lugnet.robotics)

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