Subject:
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Re: Micro-Switches, Mux
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Mon, 26 Feb 2001 23:41:19 GMT
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Viewed:
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1240 times
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Knowing the resistor inside the RCX is 10 kOhm, you should use a different
resistor for each switch,
the first resistor should be 10 kOhm, the second 30 kOhm, third 70 kOhm, fourth
150 kOhm, this will divide the 5V range in nearly evenly spaced sections
Ciaran Jessup wrote:
> Hi, has anyone had any joy combining the input from several micro-switches
> into one RCX input, I've built a simple multiplexor for three lego touch
> sensors, but now I need four!! .. I know this can be done by adjusting my
> current design, except I can't afford to wait for the three weeks it will
> take for me to receive a new Lego Touch sensor from dacta, however I have
> lots of micro-switches lying around.
>
> I imagine its easier to combine many micro switches as they are just simply
> on off switches so the boundaries are much easier to compute...
>
> Thank you very much for any help you can provide
>
> - Ciaran
Stef Mientki
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Message is in Reply To:
 | | Micro-Switches, Mux
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| Hi, has anyone had any joy combining the input from several micro-switches into one RCX input, I've built a simple multiplexor for three lego touch sensors, but now I need four!! .. I know this can be done by adjusting my current design, except I (...) (24 years ago, 26-Feb-01, to lugnet.robotics.rcx)
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