 | | Re: LNP Example please
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(...) Great, i'd really love doing work like this. If you intend to use lnpd+liblnp on the PC side, i'd be very interested in the results. (...) yes, exactly. The addressing layer gives you connectionless functionality very similar to UDP. A packet (...) (25 years ago, 9-Feb-00, to lugnet.robotics.rcx.legos)
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| | Re: Radio Shack CDS cells in parallel
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(...) ----- True, but the RS CDS cells are cheap and using them in parallel or series also changes the response range, since all the resistances change with light levels. This would be most dramatic in the series connected case at the low resistance (...) (25 years ago, 9-Feb-00, to lugnet.robotics.rcx)
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| | Re: Radio Shack CDS cells in parallel
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(...) I built a sensor out of one of those and it works fine, so yours is probably defective. I superglued mine to the top of a 2x2 brick with the studs removed. You can see my high tech design at (URL)I tried this idea and it worked. You can put (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx)
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| | Re: rcx 1.0 and an ac adaptor
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(...) According to Knudsen's book, AC or DC in either polarity is fine (which is great!). That's the only place I've seen the input characteristics mentioned, is there an "official" spec anywhere? One thing you might want to be careful of: I read (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx)
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| | Re: LNP Example please
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I've got 2 RCX's and 2 pc's in the same room so will be working with this over the next couple of weeks. The 2 RCX units work really well, my next step is to get the PC's to join the party. My implementation of LNP so far leads me to believe it is a (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx.legos)
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| | rcx 1.0 and an ac adaptor
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I have an rcx 1.0 and a universal adaptor (the kind with the different plug sizes and voltage settings). Two questions: (1) Do i have to worry about polarity? I found the right size adaptor, plugged it in, and it worked fine. Did i get lucky or is (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx)
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| | new version of winlegOS
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There is now a new version of WinLegOS up for public dissemination: (URL) told it should run on NT machines as well as win98. All thanks again to Rossz. -Luis ###...### Profanity is the one language that all programmers understand. -Anonymous (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx.legos)
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| | Re: Too many sensors
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Ben Jackson wrote: > You could do it but you'd lose rotations as long as the button was pressed. > You'd probably need alternate firmware to even get that working well. I can live with losing rotation when the button is pressed. I may have to reset (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx.legos)
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| | Radio Shack CDS cells in parallel
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When I first checked out the Radio Shack CDS cell five packs, the cells were all alike, about 1/4 inch and flat on two sides. But when I went back, I found some packs that had different cells. They had three of the usual small ones and a 1/2 inch (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx)
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| | Re: Too many sensors
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(...) You could do it but you'd lose rotations as long as the button was pressed. You'd probably need alternate firmware to even get that working well. So on one port you can have (1 touch + 1 light/temp), (1 rotation) or (4 touch). The last with (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx.legos)
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| | Too many sensors
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I received a package from Lego yesterday. It contained gears, a motor, and two rotation sensors. Now I'm stuck trying to figure out how to use all five sensors at once, 1 light, 2 touch, 2 rotation. I know how to combine a light with a touch, but (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP Example please
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(...) of course, Michael ! BTW, if anybody out there does LNP communication involving several RCX's and a PC running lnpd, i'd be very interested in unsatisfying results, especially regarding congestion -- having only 1 RCX i could never test lnpd (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP Example please
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Woops sorry I was referring to the bit above that (...) I think this should be write not send. (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx.legos)
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| | Windows NT Success Story!
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I'm pleased to announce that the NT boxes in our computer science lab has LegOS installed and running under Cygwin! I'd like to share this success story in the hope that it might help those who are still battling the Redmond Behemoth. In our lab we (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP Example please
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(...) hmm, really strange, in my legOS-distribution the name of the function is lnp_addressing_write, there is no function named lnp_addressing_send -- where have you got your legOS ? (25 years ago, 8-Feb-00, to lugnet.robotics.rcx.legos)
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| | Re: using the remote control with legOS
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(...) with an unpatched legOS-2.3, there's no easy way to do that. The incoming buffer is a static array inside function lnp_integrity_byte(), it's not accessible from outside. However, there is a hard way out (i used it during development of lnpd) (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP Example please
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Thankyou very much Martin, that worked like a charm except for the lnp_addressing_write...t,srcport) which works as lnp_addressing_send(...t,srcport) Probably just a typo just thought I better let anyone else know who maybe interested. Now all I (...) (25 years ago, 8-Feb-00, to lugnet.robotics.rcx.legos)
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| | using the remote control with legOS
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the LNP stuff is neat, but it seem's that the remote control isn't using either "integrity" or "addressing" protocol how do I access directly the incoming IR buffer ?? I didn't see any source code for "lnp_integrity_set_handler" , how does it work ? (...) (25 years ago, 7-Feb-00, to lugnet.robotics.rcx.legos)
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| | Re: LNP Example please
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(...) To get a somewhat crude explanation of how LNP works, and how to make RCXs with different LNP-Hostaddresses, i'd suggest to read thread 'LNP Addressing Schemes', last week in this newsgroup. However, if you don't need addressing or several (...) (25 years ago, 7-Feb-00, to lugnet.robotics.rcx.legos)
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| | RCX.pm 0.7 released
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I would like to announce the release of version 0.7 of RCX.pm. This perl module allows you to communicate with your RCX. It has been developed and tested under Linux, though it most likely will run under other UNIX's. To find out more information (...) (25 years ago, 6-Feb-00, to lugnet.robotics.rcx)
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