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I am trying to connect my HP49 Calculator with the Mindstorms IR Tower, I thought I had got the protocols right, the Green LED lights when I send the packet but nothing else, no reply from the RCX. Am I missing something?. Protocol 2400 baud odd (...) (26 years ago, 16-Nov-99, to lugnet.robotics.rcx)
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| | Re: Where to begin ?
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I would like to thank Arjen, Hari, and Mark for there help. The advice given was informative and useful I really appreciate it :) I am placing an order for a space shuttle and am looking into obtaining a technology resource kit as per your advice. (...) (26 years ago, 15-Nov-99, to lugnet.robotics.rcx)
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| | Re: Connecting two RCX's
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Joost Reuzel wrote in message ... (...) Apparantly you can just do that. I tried it; it works and it *should* not be harmful. Note, the output should be in the right direction. Eric (26 years ago, 15-Nov-99, to lugnet.robotics.rcx)
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| | Re: Where to begin ?
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(...) I faced a similar problem at the beginning of this year. If you want the most pieces for your money as a single kit, I'd recommend set 9609, the Technology Resource Set. It contains something like 1,700 pieces including a 9v motor and a fwe (...) (26 years ago, 15-Nov-99, to lugnet.robotics.rcx)
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| | Re: Where to begin ?
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David Johnston wrote in message ... (...) would (...) gears, (...) and (...) I agree with Arjen. The Technic Space Shuttle is an excellent set. (URL) you cannot find it locally... LEGO S@H (1-800-453-4652) has it for $158 (shipping INCLUDED), or (...) (26 years ago, 14-Nov-99, to lugnet.robotics.rcx)
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| | Re: Where to begin ?
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Dave, If you can still lay your hands on it, get the Technic Space Shuttle. I know it's an older set, but I still see them in shops occasionally (in the Netherlands). Price is around US$ 120. It comes with lots of gears, beams, plates, axles, parts (...) (26 years ago, 14-Nov-99, to lugnet.robotics.rcx)
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| | Where to begin ?
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Having recently purchased my RIS 1.5, faced the challenges within, perused NQC, PbForth, and the Spirit OCX, I came to the following conclusion. I have the skills to use the programming languages of my choice, I have the RCX to control the robots I (...) (26 years ago, 14-Nov-99, to lugnet.robotics.rcx)
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| | Re: Constructopedia v1.0
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(...) Jason, I currently have an item running on Ebay called "LEGO Mindstorms Constructopedia v 1.0". Current best offer is at $1.99. Check the link below: (URL) Anikanov anikanov@usa.net or vanikano@haywire.csuhayward.edu (26 years ago, 14-Nov-99, to lugnet.robotics.rcx)
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| | Re: RIS 1.0 to 1.5 software upgrade
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Rich, I originally thought that the free upgrade was a software only upgrade. I thought that's what I saw on the MindStorms web site several months ago. I was surprised when I received the free upgrade to get the full upgrade kit that sells for (...) (26 years ago, 13-Nov-99, to lugnet.robotics.rcx, lugnet.robotics)
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| | Re: RIS 1.0 to 1.5 software upgrade
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(...) Now I'm confused again... I've been told that the 1.0->1.5 upgrade includes some parts (a clutch gear, IIRC from an earlier thread) as well as software. Quoting Doug Wilcox: (...) which implies that the upgrade comes with pieces.... (26 years ago, 13-Nov-99, to lugnet.robotics.rcx, lugnet.robotics)
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| | Re: Use PC's IR port instead of IR tower?
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The basic difference between PCs/PalmPilots/WinCE IR ports and the RCX is a different physical transmission/modulation protocol. In the PC etc case the commonly used format is described by the IrDa standard (www.irda.org) where seperate IR pulses (...) (26 years ago, 12-Nov-99, to lugnet.robotics.rcx)
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| | Ultimate Resume Item
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Robot Builder Intern Position Available Firstly, my apologies for posting a job advert in this group. Gentle redirection to a more appropriate newsgroup is welcome. We are a 250-person company with a very successful product which integrates many (...) (26 years ago, 12-Nov-99, to lugnet.robotics.rcx)
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| | Re: Constructopedia v1.0
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Search this newsgroup. I remember seeing a link for a site that had the entire constructopedia from v1.0 scanned in full color and full size. Jason (...) (26 years ago, 11-Nov-99, to lugnet.robotics.rcx)
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| | Constructopedia v1.0
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I have just purchased a RIS v1.5 and am very pleased with it. I would like to obtain the v1.0 constuctopedia. Does anyone know of a place that would sell JUST the constructopedia? Maybe Shop@Home? Thanks for any help John Reichel (...) (26 years ago, 11-Nov-99, to lugnet.robotics.rcx)
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| | Re: RIS 1.0 to 1.5 software upgrade
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OOPS! I missed the 4129418 "Robotics Invention System 1.5 User Guide" English, 27 pages Sorry Rick Rick Kirkwood <dynamics@mediaone.net> wrote in message news:00e101bf2bad$cb...one.net... (...) LEGO) (...) full (...) a (...) (26 years ago, 10-Nov-99, to lugnet.robotics, lugnet.robotics.rcx)
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| | 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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