 | | Re: RCX Controlled Air Compressor Tester
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(...) Thanks, Indeed, my first attempt was to use a rotational sensor positioned with the axle at the pivot point of the lever arm and tried to datalog the angular movement using DACTA Control Lab. However, the resolution of the rotation sensor (...) (25 years ago, 28-Sep-99, to lugnet.robotics, lugnet.build, lugnet.robotics.rcx)
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| | Re: RCX Controlled Air Compressor Tester
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A Lego testing machine for Lego compressors... wow, one of the coolest Lego things ever seen around! I love the idea and love your implementation, and find your results very useful. BTW, I think that the Ralph Hempel's double-action compressor (...) (25 years ago, 28-Sep-99, to lugnet.robotics, lugnet.build, lugnet.robotics.rcx)
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| | Re: LEGO Stereogram (see it in 3D!)
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I don't know, I can see them and I have a serious astigatism, I can also see the magic eye ones they had out a few years ago.. just takes a little time sometimes and being able to cross your eyes easily. With the posters they had out a couple of (...) (25 years ago, 28-Sep-99, to lugnet.general, lugnet.publish)
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| | Re: Anyone built a curved bridge?
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(...) Did I mention how many times it's been down....? }:-V -John (...) (25 years ago, 28-Sep-99, to lugnet.trains)
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| | Re: 5VDC Voltage Regulation
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Jacob Schultz <dungeonmaster@get2net.dk> wrote in message news:FIrMLo.H8K@lugnet.com... (...) A "freewheeling" diode is a good idea generally, but the RCX must already have diodes built into the driver IC. It has to turn on and off the motor (...) (25 years ago, 28-Sep-99, to lugnet.robotics)
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| | Lego in the UK
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Hi there - I have recently moved to London from New Zealand and was curious if anyone could make any suggestions for going on retail hunts for older Pirate and Castle sets. If anyone can help I will be A)surprised and B)pleased. Cheers - Ben (25 years ago, 28-Sep-99, to lugnet.market.shopping)
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| | RE: I'm writing a Mindstorms book.
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Brilliant!! The 3D rendering is incredible. Good luck with the book. I will be among the first in line. Will a CD or floppy disk be included with the book? Take care, Carl (...) (25 years ago, 28-Sep-99, to lugnet.robotics)
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| | Re: Sails
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Ed Jones wrote in message ... (...) Mr Jones, They surely are fine looking sails. As I wrote earlier, my main concern is the fraying thing, but you seem to have that under control. I have also had great difficulty organising the holes, and you seem (...) (25 years ago, 28-Sep-99, to lugnet.pirates)
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| | Re: Technic Shuttle
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(...) I know an outlet in the UK who is selling this set for £49.99 (~US$80.50) (25 years ago, 28-Sep-99, to lugnet.technic)
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| | Its quiet in here...
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Since the 'fest things seem to have died down a bit... I'll liven things up by stating that I got a set of Shell sets from Holland yesterday. They are excellent, and would seem to be very cheap. I am paying $70 for the set, and that includes $16 for (...) (25 years ago, 28-Sep-99, to lugnet.loc.uk)
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| | Re: WalMart prices...
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ScottR wrote in message ... (...) The Wal-Mart near me (Cary, North Carolina) rarely has sales either. I spoke with the manager in the toy department recently and asked him why some Wal-Marts have sets on clearance but others (like the one near me) (...) (25 years ago, 28-Sep-99, to lugnet.market.shopping)
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| | Re: I'm writing a Mindstorms book.
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 (...) and here (URL) here (URL)I consider the book to be about the "basics" - how to build and program a (...) what's going on the CD? Regs PR -----BEGIN PGP SIGNATURE----- Version: PGPfreeware 6.0.2i (...) (25 years ago, 28-Sep-99, to lugnet.robotics)
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| | Re: Finding Sets in Stores!
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(...) stores. (...) It seems to be a bit easier to find sets in Germany recently. I checked some stores and found the following mostly in some small stores: 6236 King Kahuka 6244 Armada Sentry 6246 Crocodile Cage 6248 Volcano Island 6252 Sea Mates (...) (25 years ago, 28-Sep-99, to lugnet.pirates)
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| | Re: 5VDC Voltage Regulation
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(...) OK. What I was thinking of was that if a current flows through a coil, that be a relay, transformer or motor, the current can't change at an instant. If you break the circuit current will keep running through the coil for a short time. This (...) (25 years ago, 28-Sep-99, to lugnet.robotics)
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| | Re: RCX Controlled Air Compressor Tester
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Nice work! For a while it looks that you could travel back in time using this recording device, before you realize that the pen draws an arc when the paper doesn't move ;-). Could it be possible to add a rotational sensor and datalog the time and (...) (25 years ago, 28-Sep-99, to lugnet.robotics, lugnet.build, lugnet.robotics.rcx)
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| | Re: Dacta, Technic, Duplo (Trains), Town, Creator.... and even time twisters
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Personal cheques are ok if you have a good ebay record (25 years ago, 28-Sep-99, to lugnet.market.auction)
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| | FA : Dacta, Technic, Duplo (Trains), Town, Creator.... and even time twisters
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FA : Dacta, Technic, Duplo (Trains), Town, Creator.... and even time twisters 19 lots in all... See them all at: (URL) (25 years ago, 28-Sep-99, to lugnet.market.auction)
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| | Re: Robot lab
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The spirit.ocx[*] can be consider as a LEGO's official API for programming the RCX and CyberMaster. Still wondering why the RoboLab won't use the spirit.ocx. Howbout the RIS. It compiles the visual statements and expressions to byte-code and stores (...) (25 years ago, 28-Sep-99, to lugnet.robotics)
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| | FIRST comp at Agenda 2000 in Arizona?
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Hi folks, I've just learned about the Agenda 2000 conference next month: (URL) conference program on that site lists an event on the Monday called "FIRST Robot Competition", which I understand is a MindStorms challenge. I've been invited to go and (...) (25 years ago, 28-Sep-99, to lugnet.robotics)
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| | Re: LEGO Town Quiz - Clarification
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Sanjay D'Souza wrote in message ... (...) vehicles. (...) Do you mean land vehicles? all the aircraft (well, almost) produced in Town system has wheels, too. By the way, RESQ Hovercraft is the widest land vehicle, but doesn't have wheels (although (...) (25 years ago, 28-Sep-99, to lugnet.town)
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