Subject:
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Re: Connecting 2 RCXs
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Newsgroups:
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lugnet.robotics.rcx.nqc
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Date:
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Thu, 19 Oct 2000 16:56:16 GMT
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Viewed:
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2410 times
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Bernd Frassek wrote:
> The IR interface is one way to establish a "connection" via messages between 2
> RCXs and it works fine if both of the RCXs will receive a message - directly or
> by multiple reflections within the room. However, it is a slow communication.
>
> My problem now: the RCXs are arranged in a construction where no (or no
> reliable) IR link can be set up.
>
> A solutuion could be to use an output at the transmitting RCX and an input at
> the reveiving RCX.
>
> But I must admit that I am not feeling very comfortable, putting a voltage to
> an input and I don't want to try this out and look if it works.
Hook up the output of RCX.A to the Input of RCX.B. Set the RCX.B's input to Touch.
Now toggle the RCX.A's output from OFF and float. This will turn the ground
'short' on and off and work Exactly like a switch. No power runs though the Input
sensor from RCX.A.
> By the way, my
> nephew hooked up a motor to a sensor input (defined as light sensor) and
> destroyed the input just when I had Mindstorms for 3 days ...
I've been told, by Lego staff that the Inputs are protected from the Above from
happening... How odd.
Dean
--
Coin-Op's For Sale!: http://www.akasa.bc.ca/tfm/coin-op.html
Dean's Lego Workshop: http://www.akasa.bc.ca/tfm/lego_wr.html
Vancouver Lego Club: http://www.akasa.bc.ca/vlc
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Message has 1 Reply:
 | | Re: Connecting 2 RCXs
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| Thanks a lot Dean - works perfectly. A good trick - and so evident that I am a bit frustrated not to find it out by myself ... ;-) But this is what friends are for (was it Whitney Houston who sang that?) Bernd (24 years ago, 24-Oct-00, to lugnet.robotics.rcx.nqc)
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Message is in Reply To:
| | Connecting 2 RCXs
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| The IR interface is one way to establish a "connection" via messages between 2 RCXs and it works fine if both of the RCXs will receive a message - directly or by multiple reflections within the room. However, it is a slow communication. My problem (...) (24 years ago, 19-Oct-00, to lugnet.robotics.rcx.nqc)
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