RCX programmable brick : 2198


Robotics / RCX / 2198	2197 \| 2199

Subject:	RE: Multiplexing 4 touch sensors on an RCX input port
Newsgroups:	lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth
Date:	Wed, 10 Sep 2003 22:56:24 GMT
Reply-To:	<RHEMPEL@BMTS.spamlessCOM>
Viewed:	5015 times

> Although it's homebrew, it _looks_ purist in every respect except teh > contact point of the touch sensors, which are obviously microswitches. > Built into something, all parts look like they could be genuine. I > could post photos somewhere if they would be of interest to anyone - > I'm very pleased with the compactness of teh multiplexer. > > I have pbforth code that unmultiplexes teh contacts, but tend not to > program in anything else. Shouldn't be hard in anything else > though. Works a treat every time I've used it. Ian, Great to see that you are having success with pbForth! I have a couple of questoins: 1. Which version are you using? 2. Are there any features you REALLY wish were available? 3. Do you have any stories or code to share? Ralph -------------------------------------------------------------------- Check out pbFORTH for LEGO Mindstorms at: <http://www.hempeldesigngroup.com/lego/pbForth> Buy "Extreme Mindstorms: an Advanced Guide to Lego Mindstorms" <http://www.amazon.com/exec/obidos/ASIN/1893115844/hempeldesigngrou> -------------------------------------------------------------------- Reply to: rhempel at bmts dot com --------------------------------------------------------------------

Message has 1 Reply:

		Re: Multiplexing 4 touch sensors on an RCX input port
(...) (apologies for delay - my server decided to stop talking to lugnet for some reason, hopefully now fixed) (...) Errm, probably 2.1.0 (but I don't have it immediately to hand at the moment - that's the name of the directory on my computer with (...) (21 years ago, 18-Sep-03, to lugnet.robotics.rcx, lugnet.robotics.rcx.pbforth)

Message is in Reply To:

		Re: Multiplexing 4 touch sensors on an RCX input port
(...) It works very well for me, with the variation that I use home-made touch sensors that are actually microswitches embedded into 2x2 blocks. That does mean you might need to debounce in software, but normally I don't bother since the inertia of (...) (21 years ago, 10-Sep-03, to lugnet.robotics.rcx)

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