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(...) I just looked up PICAXE, if you're interested, here is an associated site. (URL) If the argument for the PICAXE (or the MARK III) is the price, then how about adaptability, multi-use, ease of programming, curriculum support, etc. I've had a (...) (20 years ago, 1-Sep-04, to lugnet.robotics)
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Sorry, this is a long post and I don't mean to pick on the MarkIII, its a good platform, just happens to be my example in this post of a fixed format platform. My apologies to the makers of the MarkIII. --- gypsy_fly <e_pilobello@yahoo.com> wrote: < (...) (20 years ago, 1-Sep-04, to lugnet.robotics)
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(...) Yeah, but look at the options -- 2-axis accelerometer (capable of measuring 1 degree of tilt!) for $20. 8-channel, 12-bit analog input board for $22. A zillion different distance sensors, some with simple digital outputs. High-torque (...) (20 years ago, 1-Sep-04, to lugnet.robotics)
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In lugnet.robotics, Joe Strout wrote: .. snip snip (...) .. snip snip I think this one comment hits the nail on the head. These parts are components, not ready to go sensors. If you'd be happy to pay $1.50 for an IRPD, you can buy them from most (...) (20 years ago, 1-Sep-04, to lugnet.robotics)
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(...) It's all about how you want to spend your time and money. Personally, I'd rather spend my time creating new robots, than drilling holes and connecting wires to the one robot that I use over and over. In the last four years, I've built and (...) (20 years ago, 1-Sep-04, to lugnet.robotics)
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(...) Quite understandable (and understood). (...) I wish they would, too -- I'd love to see it! (...) Agreed. For structural work -- especially, the sort of tinkery rapid-prototyping structural work we all love -- LEGO can't be beaten. However... (...) (20 years ago, 1-Sep-04, to lugnet.robotics)
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(...) Sure, and then (as I believe you are pointing out), I have something I can't easily use with RCX. But if I have the MarkIII's sensor board ($20) with the input expander kit ($22), then the IRPD *is* a sensor -- it will plug right in. As will (...) (20 years ago, 1-Sep-04, to lugnet.robotics)
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(...) Well, looking at some of the more "serious" robots out there, it's amazing what you can do with "just" 3 sensor ports. I currently have robots that use 6 sensors (three light, three touch), and I can easily extend that to at least one more (...) (20 years ago, 1-Sep-04, to lugnet.robotics)
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(...) [snip] (...) Joe: I, too, love Lego for the mechanical aspects of robot building. However, when it comes to the sensors and effectors, I find the RCX to be too limiting. It was a good first try, but after 5 years on the market.... (Let me (...) (20 years ago, 1-Sep-04, to lugnet.robotics)
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(...) (I note that it seems to be spelled RoboBrix by robotstore.com.) (...) That's cool. I have several suggestions for you, as a potential user: 1. Get the robotstore folks to mention the LEGO compatibility in their descriptions; the one I looked (...) (20 years ago, 1-Sep-04, to lugnet.robotics)
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(...) The guy who sells them wanted a name that was less likely to be kicked out by the trademark examiner -- hence, RoboBRiX. (...) Good point; I'll mention it to Roger (he's the Robot Store guy.) (...) Documentation is a big problem. We need more (...) (20 years ago, 1-Sep-04, to lugnet.robotics)
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--- Joe Strout <joe@strout.net> wrote: {{ SNIP }} (...) I have to say that if you are concerned with the MPU and I/O, there is the option of using two RCX bricks, as I do. I am running three outputs just to make my robot move along the floor! The (...) (20 years ago, 1-Sep-04, to lugnet.robotics)
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(...) A relatively simple way to hack together an output expander is to throw a commercially available DCC controller into a brick[1]: (2 URLs) Each one of these bricks can control two lamps and a motor. Since each of these DCC bricks is (...) (20 years ago, 2-Sep-04, to lugnet.robotics, FTX)
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(...) DCC? As in (URL)? I had to do a search for that, this is the first I've heard of it. Sounds interesting. (...) That's pretty cool. How fast can you control those outputs? And how difficult is it to program? (The NMRA link to the communications (...) (20 years ago, 2-Sep-04, to lugnet.robotics)
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(...) Hey Joe, I'n not speaking for Mark, but I started using his LDCC-- (URL) I first heard about it and I love it! Right now I use it basically for my train layout, but at a few rtl dinners, the conversations went something like this-- "Have you (...) (20 years ago, 2-Sep-04, to lugnet.robotics)
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(...) Doh! Sorry about that... Yes, DCC stands for Digital Command Control and it is used by model railroaders to control multiple locomotives on a train layout by sending power and control information over the two train track rails. For RCX (...) (20 years ago, 2-Sep-04, to lugnet.robotics)
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Snippage If you haven't seen this check it out. DCC for the RCX (URL) (20 years ago, 2-Sep-04, to lugnet.robotics)
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