 | | Re: RIS 1.0 to 1.5 software upgrade
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I received my free (+$3.95 P&H) upgrade kit today and was pleasantly surprised ( or should that be AMAZED, Y-A-H-O-O-O-O!!!! and THANK YOU LEGO) to see that was NOT just a software upgrade, as I had thought, but the full #3803 "RIS 1.5 UPGRADE KIT" (...) (26 years ago, 10-Nov-99, to lugnet.robotics, lugnet.robotics.rcx)
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| | Re: RCX motor voltage
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Wes, I'm sorry; I missed the Rcx Motor info... If the Rcx Motors start/run with 6V but don't work with the Rcx Outputs, something is 'Funny'. The Rcx, with decent batteries, puts out about 7 volts to a running Rcx motor (full power setting). I'm not (...) (26 years ago, 10-Nov-99, to lugnet.robotics.rcx)
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| | RCX Power connector
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Hi all, If you still want to get a (second) RCX with a power connector, order online from www.legoworldshop.com. Make sure you order the RIS 1.0. Lego will throw in the upgrade to 1.5 in for free, so you still get the same set. I just got mine. I (...) (26 years ago, 9-Nov-99, to lugnet.robotics.rcx)
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| | Re: RCX motor voltage
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(...) That sounds like a good approach. (...) As I stated before - I'm using the motors that came with the RCX. -Wes (26 years ago, 9-Nov-99, to lugnet.robotics.rcx)
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| | Re: RCX motor voltage
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The simple thing would be to do the short delay in the software. Identical relays usually 'make' faster than they 'break' due to energy stored in the magnetic circuit. It's hard to do this without active components. If you use a typical small (...) (26 years ago, 9-Nov-99, to lugnet.robotics.rcx)
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| | Re: Communication with PC using NQC
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(...) /Vlad (26 years ago, 9-Nov-99, to lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
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| | Re: Communication with PC using NQC
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(...) You might find the following helpful... (URL) again, you might not. jack j-perdue@tamu.edu (26 years ago, 9-Nov-99, to lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
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| | Re: Communication with PC using NQC
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(...) Taking the example of the maze-walker, the PC software should be able to keep track of the position of the robot and direct it through the maze. (...) Yes, I looked at the code and it only needs a higher-level wrapper. (...) Yes, it does, (...) (26 years ago, 9-Nov-99, to lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
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| | Re: RCX motor voltage
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(...) I am using the motors that came with the RCX. (...) Hmmm - do you propose to ensure the delay in the relay circuit or programmatically? If in the circuit, how? (...) (26 years ago, 9-Nov-99, to lugnet.robotics.rcx)
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| | Re: RCX motor voltage
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Wes, relays would work pretty well. (Still, how much current do your motors draw???) The LEGO motors draw about .35 Amps (350 Milliamperes) You could connect two 5V coil relays , each with a diode in series with the coil, connected oppositely to (...) (26 years ago, 9-Nov-99, to lugnet.robotics.rcx)
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| | Re: Communication with PC using NQC
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(...) Could you be more specific on "querying its state" and "high-level commands"? If you're willing to write custom C++ code, you can pretty much do whatever you want on top of the rcxlib stuff from the NQC source base. Its pretty easy to send (...) (26 years ago, 9-Nov-99, to lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
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| | Use PC's IR port instead of IR tower?
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Hello, Is it possible to use a PC's IR port, instead of the IR tower, to communicate with an RCX? (I have a Dell Inspiron 3500). -- Brad Aisa baisa@NOSPAMbrad-aisa.com -- PGP public keys available at: (URL) faire." (26 years ago, 9-Nov-99, to lugnet.robotics.rcx)
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| | Re: RCX motor voltage
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(...) I can think of two other possibilities: The best approach is probably to add more gears so that the motors don't have to work as hard to move the platform. The platform will move more slowly, but at least it will move at all. (Hmm... That (...) (26 years ago, 8-Nov-99, to lugnet.robotics.rcx)
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| | Re: RCX motor voltage
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(...) These solutions bring up problems of their own: using a motor to operate a switch (battery box or Lego switch) requires monitoring the switch state to determine on/off status. Also, there will be a time delay while the motor moves from one (...) (26 years ago, 8-Nov-99, to lugnet.robotics.rcx)
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| | Re: Communication with PC using NQC
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(...) Thanks for the explanation. So, it's back to the basics! ;-) I did not explain my question very well, I think. What I would like to do is to steer the RCX from the PC, by querying its state and send it high-level commands (for example to make (...) (26 years ago, 8-Nov-99, to lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
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| | Re: RCX motor voltage
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(...) encountered an (...) (6 (...) have (...) them (...) did. (...) Yes, using a direct connection to a battery box your motors get more power. I don't know if this idea is applicable to your model, but you could use one motor attached to the RCX (...) (26 years ago, 8-Nov-99, to lugnet.robotics.rcx)
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| | Re: RCX motor voltage
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WEs, I'm unclear about your problem. Are you using the MIndstorms type motors?? Others? What current do your motors draw, at what voltage? (26 years ago, 7-Nov-99, to lugnet.robotics.rcx)
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| | legOS-0.2.2
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Hello, legOS-0.2.2 is out. Generating user programs doesn't require perl anymore, and several bugs have been fixed. Get it at (URL) "Nieder mit den Zitaten!" -Markus L. Noga <markus@noga.de> (26 years ago, 7-Nov-99, to lugnet.robotics.rcx.legos, lugnet.robotics.rcx)
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| | Re: Communication with PC using NQC
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(...) You can use the -raw option for nqc to send raw commands (including the poll command) to the RCX. Not pretty, but it works in a pinch. As for libraries, I'm not sure what qualifies as "cute", but within NQC, all of the RCX communication is (...) (26 years ago, 6-Nov-99, to lugnet.robotics.rcx, lugnet.robotics.rcx.nqc)
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| | RIS 1.0 to 1.5 software upgrade
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Recent purchasers of RIS 1.0 may order a software only update to 1.5 for a shipping charge only of $3.95, as indicated in the note from MINDSTORMS below. Consumer Affairs forwards you over to S@H to order, so have the rest of your holiday buy list (...) (26 years ago, 5-Nov-99, to lugnet.robotics.rcx, lugnet.robotics)
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