 | | Help me - Vision command with windows millenium.
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Hello, A swiss guy mail me to ask for help, but he doesn't speak in english... He wants to use Vision command with Windows Millenium. Does someone try to do so, is there some solution ? Thanks in advance for your help. Damien -- Damien et Nathalie (...) (25 years ago, 5-Mar-01, to lugnet.robotics.vc, lugnet.robotics.rcx)
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| | RCX firmware equivalent ?
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I am new to the group so apolgies if this is old material. Has anyone posted a schematic of the PCX on the web ? If so where ? I like the MIT brick concept, but would like to be able to use a open system approach to hardware and software. It appears (...) (25 years ago, 5-Mar-01, to lugnet.robotics.rcx)
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| | Re: Hybrid-pneumatic quadruped
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Very nicely done. I especially like the use of the differential as a control mechanism with the pump and the valve. -Xanthra47 "JP Brown" <envcons@ameritech.net> wrote in message news:G9nq4K.IuE@lugnet.com... (...) site. (...) is (...) (URL) (...) (25 years ago, 4-Mar-01, to lugnet.robotics.rcx)
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| | Re: Bug in RCX 2.0 beta (Was: RIS 2.0 software now in beta)
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Dear all, I have managed to pin down the problem a bit further. Please look at the following program: program foo { const c10 = 10 main { forever {} } task test { local v2f local v2e local v2d v2f = 1 v2e = 2 v2d = v2e * c10 } } If you download this (...) (25 years ago, 4-Mar-01, to lugnet.robotics.rcx, lugnet.robotics)
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| | Bug in RCX 2.0 beta (Was: RIS 2.0 software now in beta)
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Dear all, I'm experiencing a strange phenomenon in my MindScript program which I believe to be a bug, where within a task the assignment of a multiplication of a local variable (containing value 0) and a constant (set to 10) to a second local (...) (25 years ago, 4-Mar-01, to lugnet.robotics.rcx, lugnet.robotics)
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| | Hybrid-pneumatic quadruped
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I recently put a hybrid-pneumatic quadruped (Quad_I) up on the Mindstorms site. It might be of interest to the readers of lugnet.robotics.rcx. The URL is (URL) (all one line, if the lugnet server breaks it up). Or you can, of course, go to (URL) and (...) (25 years ago, 4-Mar-01, to lugnet.robotics.rcx)
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| | Re: To all sensor developers, why use voltage drive ?
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Stef Mientki <s.mientki@ids.kun.nl> wrote in message news:3AA0BF7B.46088E....kun.nl... (...) AD-converter is measuring voltage, but we're not dealing with the AD-converter alone, but with a combination of the AD-converter, the pull up resistor, the (...) (25 years ago, 3-Mar-01, to lugnet.robotics.rcx)
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| | Re: To all sensor developers, why use voltage drive ?
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hi Michael, thanks for you reaction. (...) So here I disagree with you , you are correct if you'r saying the inside AD-converter is measuring voltage, but we're not dealing with the AD-converter alone, but with a combination of the AD-converter, the (...) (25 years ago, 3-Mar-01, to lugnet.robotics.rcx)
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| | Re: To all sensor developers, why use voltage drive ?
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Stef Mientki <s.mientki@ids.kun.nl> wrote in message news:3AA01C30.6FFBA7....kun.nl... (...) sensor-cirquit, while the RCX sense input is in fact a current sensing input ? What the RCX measures is voltage. It has a 10k pull up to 5V, but it (...) (25 years ago, 3-Mar-01, to lugnet.robotics.rcx)
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| | Re: To all sensor developers, why use voltage drive ?
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no, but you can consider it as a "blackbox" and measure it's behaviour by Ohm's law. (...) Stef Mientki (25 years ago, 3-Mar-01, to lugnet.robotics.rcx)
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| | Re: To all sensor developers, why use voltage drive ?
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(...) Do you actually have a schematic of the RCX? Matthias Jetleb VA3-MWJ (25 years ago, 2-Mar-01, to lugnet.robotics.rcx)
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| | To all sensor developers, why use voltage drive ?
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Hi, Why is everyone using a voltage driven cirquit when devolping a RCX sensor-cirquit, while the RCX sense input is in fact a current sensing input ? Ok, I admit, until short I also copied the schematic everyone is using. But I now think the (...) (25 years ago, 2-Mar-01, to lugnet.robotics.rcx)
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| | Re: 3 Sharps at one Input
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Stef Mientki <s.mientki@ids.kun.nl> wrote in message news:3A9F8C46.1B4C03....kun.nl... (...) purposes", based on (...) by which you can (...) reading some RCX (...) design and test (...) I'll plan to improve (...) values) You can just hook pots and (...) (25 years ago, 2-Mar-01, to lugnet.robotics.rcx)
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| | Re: 3 Sharps at one Input
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Hi Rainer, Very nice job ! You inspired me to build a kind of "general remote control box for test purposes", based on the time-multiplexed switch encoder. The (rough and wild) idea is to make a box with 3 potmeters, 4 switches, by which you can (...) (25 years ago, 2-Mar-01, to lugnet.robotics.rcx)
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| | 3 Sharps at one Input
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Hi All, if interested, you can have a look at my project at (2 URLs) if you want to chose between german or english) Rainer (25 years ago, 28-Feb-01, to lugnet.robotics.rcx)
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| | Re: Micro-Switches, Mux
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"Stef Mientki" <s.mientki@ids.kun.nl> wrote in message news:3A9C14C9.76834B....kun.nl... (...) Nice work. I've found the contact resistance of the LEGO switches vary so much you can't get a 4 way mux to work reliably. With real micro switches I'm (...) (25 years ago, 28-Feb-01, to lugnet.robotics.rcx)
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| | Re: Micro-Switches, Mux
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"Stef Mientki" <s.mientki@ids.kun.nl> wrote in message news:3A9C14C9.76834B....kun.nl... (...) (URL) job Stef, that's a really helpful page. I built a version of TFMs mux ((URL) a while ago but I used resistor values that are not ideal (10k, 20k, (...) (25 years ago, 28-Feb-01, to lugnet.robotics.rcx)
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| | RIS SDK - Comments and questions
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I have just started to try this - is it ever cool. I notice that the Brick options are RCX, Scout and MicroScout - Does this mean that I can program the MicroScout using the RIS Tower ? - If so, do I use LASM ? - I assume that I put it in P-mode ... (...) (25 years ago, 28-Feb-01, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: Micro-Switches, Mux
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There was some doubt in another newsgroup (lugnet.robotics) about my suggestions, so I've made an overview, with drawings om my website (it has also some more pratical values of the resistors), (...) met vriendelijke groet, (25 years ago, 27-Feb-01, to lugnet.robotics.rcx)
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| | Re: Micro-Switches, Mux
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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 (...) (25 years ago, 26-Feb-01, to lugnet.robotics.rcx)
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