 | | RE: power source
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Yeah, I used a multimeter and measured the 11.2V I'm going to go to my local electronic store and get all the parts (they have everything in stock) but why the 16v capacitor? -----Original Message----- From: Mathias Uhr [mailto:uhr@mathias.net] (...) (23 years ago, 14-Feb-02, to lugnet.robotics)
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| | Re: Lost my IR Tower
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hi Peter, Why did you remove the IR diodes ? I think it's not necessary, or am I missing something. It would even be nicer, if also the IR-sensor could be left in place, but I don't know the Lego circuit. Stef Mientki (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: Lost my IR Tower
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Nice idea Peter !! I'll add it to my collection about the IR port of the RCX. At first I didnt see what your design could mean foe me, but .... This could be an alternative way to add "intelligent" sensors (for example through PIC or some other (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: It came out too easily to be the first
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(...) Austin Robot Group. Lego's are a SMALL part of what this group has been working on for the last 12-13 years. Just ask Mark Thorpe of Robot Wars fame or Mark Pauline of SRL fame (we helped put on the '97 show here in Austin). (URL) robots were (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: power source
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(...) What I meant when i said "unregulated" was a power supply without a 78xx in it. The power supply that I am using consists of a transformer, rectifier (4 diodes) and a 4700uf cap. This means that while it does give a clean voltage, that voltage (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | RE: power source
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In reference to (URL) have an old transformer from a tape deck that produces 11.2V AC. (I just checked it). Can I build the circuit on the above page and use this transformer? Or do I need to get one that produces DC. thanks -----Original (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Palm IR to RCX
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Hi list, about a week ago i got a ris 2.0 and have spent some time to write some communication routines for infrared communication between the rcx and my palms. I've so far been very successful and a first test software is available at (URL) (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: firmware & NQC - free?
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This is my dilemma: I work for an organization that encourages schools to teach engineering through the RIS using NQC. I'm creating very detailed instructions on how to install NQC and using firmware, etc. Now since this is a package of information (...) (23 years ago, 13-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: firmware & NQC - free?
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Yes, it is available here (URL) (along with a firmware download program - this one is Windows only) Philo www.philohome.com (...) (23 years ago, 13-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Problems with link fixed (I hope)
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The link probably would have been helpful to all of you if I would have started that particular site service on the web server... My apologies... (...) ___...___ Get your own "800" number Voicemail, fax, email, and a lot more (URL) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | firmware & NQC - free?
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Is there a firmware version available that I can get for free that will work with NQC on any platform (Mac, Win, Linux)? Thanks Jenny (23 years ago, 13-Feb-02, to lugnet.robotics.rcx.nqc)
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| | Re: linux USB driver.
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Hi Hans, I think 2.4.9 is too old, but you may try to just remove the MODULE_LICENSE stuff. Jürgen (...) (23 years ago, 13-Feb-02, to lugnet.robotics.rcx.legos)
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| | Re: posting to lugnet mail list
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(...) you need to fill out the news posting setup at (URL) it's for the newsgroups, but that's what the LUGNET discussions server is - a web (and mail) interface to a news server. HTH! :) Dan (I'd FUT to .admin.nntp, but you can't post there yet) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: Power to RCX
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(...) Yeah!!! That's exactly what I wanted to know! (Aka "How to connect RCX for dummies" (that's what I am - electronics isn't hobby of mine) Thanks a lot! Have a nice day Rob (23 years ago, 13-Feb-02, to lugnet.robotics.rcx)
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| | Re: Brickshelf gallery for Jump-O-Bot
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(...) Cheers Bob, I have applied. Nice heads up. (23 years ago, 13-Feb-02, to lugnet.technic, lugnet.robotics, lugnet.build, lugnet.cad)
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| | It came out too easily to be the first
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For what is worth, My original intention was indeed to thank Mario for the complimentary copy of his book by creating a new robot inspired by it. Once I came up with a "new" type of robot, a secondary intention was to promote further investigation (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | RE: Direct Wiring PC and RCX
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the link don't work ---...--- "la cuillère n'existe pas" (URL) : 94470030 -----Message d'origine----- De : Rob Limbaugh [mailto:rlimbaugh@ureach.com] Envoyé : mercredi 13 février 2002 02:14 À : lego-robotics@crynwr.com Objet : Direct Wiring PC and (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: Power to RCX
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(...) Putting a regulator in front of the motor controllers would be utter nonsense IMHO. (...) Plus the data sheet of the motor controllers. Jürgen (23 years ago, 13-Feb-02, to lugnet.robotics.rcx)
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| | Re: power source
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hi! (...) if you use an unregulated supply, you need to add a big capacitator in front of the ic (after rectifing of course)! generally, they advice to use an electrolyt capacitator of sufficient size (there are formulas for this) for filtering and (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: posting to lugnet mail list
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hi trevyn! thanks for your reply! (...) i got an email with a confirmation code in order to access the page (URL) which worked fine. i then chose the lists i want to subscribe to. is that the "confirmation email" you're talking about? i recieve all (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: Introducing Jump-O-Bot
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"Jim Choate" <lego-robotics@crynwr.com> ha scritto: (...) propels (...) Well, to be precise, in our book we didn't write that nobody was able to build a jumping robot. We simply stated that we tried but didn't succeed :-) And, to be honest, I admit (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: RFC: Creation of Version 0.2.6
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(...) Excuse my ranting, but... Bricx-anything doesn't appeal to me (1); I'm not fond of the "cx" pronounced at the end. Why not "Brick" or "Brix" instead? BrixCC and BrixOS work, as do BrickCC and BrickOS. Ian (1) I dunno why; but it's a (...) (23 years ago, 13-Feb-02, to lugnet.robotics.rcx)
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| | Re: Introducing Jump-O-Bot
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(...) Then that author is incorrect. There were Lego based jumping robots at several of the Robofests put on here in Austin back in the early half of the 90's. At least one of them was built along the lines of 'Spring Turkey'. They used the old (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: power source
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You're right, I didn't realise it wasn't very clear. What you do is you connect the positive wire from your power supply to pin 1* of the 7809. Then connect the ground of the RCX and the power supply to pin 2. Connect pin 3 to the positive battery (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Direct Wiring PC and RCX
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Everyone, Here is the schematics and description Peter Balch has for hard-wiring the RCX to the PC: (URL) anyone has any questions about the project, please contact him. Any questions about the site itself should be directed to me. Thanks Peter for (...) (23 years ago, 13-Feb-02, to lugnet.robotics)
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| | Re: RFC: Creation of Version 0.2.6
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(...) You could also try BricxOS (in a similar fashion to BricxCC), which also happens to have RCX in it. Martin (23 years ago, 12-Feb-02, to lugnet.robotics.rcx.legos)
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| | Re: RFC: Creation of Version 0.2.6
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(...) me, (...) written, (...) and/or (...) Well, even though it has a few Unix-ie functions, I don't really see it as a -nix. My personal favourite is NogOS (for Marcus), but BrickOS is good, too. ROSCO (23 years ago, 12-Feb-02, to lugnet.robotics.rcx.legos)
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| | Re: Brickshelf gallery for Jump-O-Bot
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You should mirror your site at (URL) want Lego content and have no limits or advertising at this time. -- Bob Fay THE SHOP (URL) Agullo" <technicpuppy@yahoo.com> wrote in message news:GrFzHH.Gzt@lugnet.com... (...) (23 years ago, 12-Feb-02, to lugnet.technic, lugnet.robotics, lugnet.build, lugnet.cad)
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| | RE: power source
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I'm sorry, I can't really make out that photo. Do I just connect the 7809 ic between the power supply and the rcx? Do I connect to the + or - or use 2 and connect to both? thanks -----Original Message----- From: news-gateway@lugnet.com (...) (23 years ago, 12-Feb-02, to lugnet.robotics)
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| | Re: Keeping tower on for sporadic broadcasts from RCX
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Steve Baker wrote: > The 'official' way to do this is to have the RCX record data in a 'data log' > and have the PC poll that periodically to upload it's contents. That > can be done quite easily with NQC. I guess the act of sending the poll request (...) (23 years ago, 12-Feb-02, to lugnet.robotics)
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| | Brickshelf gallery for Jump-O-Bot
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If the Geocities site is down, please take a look at (URL) (23 years ago, 12-Feb-02, to lugnet.technic, lugnet.robotics, lugnet.build, lugnet.cad)
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| | Re: Keeping tower on for sporadic broadcasts from RCX
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(...) You could use one of the solutions of John Barnes, 1. modifiying your IR-tower (adding 1 diode) 2. building your own IR-tower you can find both on my site (URL) Mientki (23 years ago, 12-Feb-02, to lugnet.robotics)
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| | Introducing Jump-O-Bot
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Dear all, One of the unsolved challenges posed by the authors of the very fine "Building Robots with Lego Mindstorms" is to construct a robot that propels itself jumping, rather than walking on legs or rolling on wheels. Neither pretty nor smart, (...) (23 years ago, 12-Feb-02, to lugnet.technic, lugnet.robotics, lugnet.build, lugnet.cad)
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| | Keeping tower on for sporadic broadcasts from RCX
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So, I have the hardware and RCX software for my LIDAR station done. I have the host-PC side client software to display the data collected in real time. Now I need to get tab A to fit into slot A by getting the two to talk to each other. My original (...) (23 years ago, 12-Feb-02, to lugnet.robotics)
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| | Re: power source
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This was just discussed on lugnet.robotics.rcx. I have an rcx 2.0, and you can see what I did here: (URL) used a 7809 voltage regulator. Note that this requires some basic electronics and soldering skills. I would not use a wall wart, because the (...) (23 years ago, 12-Feb-02, to lugnet.robotics)
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| | National Toy Designing Festival for learning Technologies
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Dear all, To some this mail may look out of place. But to others it would be a great chance to participate in the only toy designing festival of the country. We are one of the pioneer technology institute of the country working on "digital divide" (...) (23 years ago, 12-Feb-02, to lugnet.robotics)
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| | RE: power source
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go to this page (but it's in english : use altavista) (URL) cuillère n'existe pas" (URL) : 94470030 -----Message d'origine----- De : Kingsley Gifford [mailto:kgifford@roa...er.nf.net] Envoyé : mardi 12 février 2002 19:41 À : lego-robotics@crynwr.com (...) (23 years ago, 12-Feb-02, to lugnet.robotics)
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| | power source
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I am using a mindstorms 1.5 (although it says "rcx 1.0" on the rcx. This model does not have a port to connect an external powersupply. Most of my projects do not involve portability/motion of the rcx so using a transformer would be fine to me. Has (...) (23 years ago, 12-Feb-02, to lugnet.robotics)
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| | Re: Zero Power Tower
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hi John, the circuit looks very good, and far more easy (and understandable) then the circuit from Lego (cracked by yourself ;-) I'm using your modification of the Lego IR-tower with great pleasure. The normal range (without batteries) is about 60 (...) (23 years ago, 12-Feb-02, to lugnet.robotics)
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| | Connecting RX to Handyboard
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Hi all, I'd like to build a radio controlled robot and I wish to connect a radio receiver normally used for model airplanes to the Handyboard so it can receive the commands I send from the transmitter, check for sensor and then activate servos that (...) (23 years ago, 12-Feb-02, to lugnet.robotics.handyboard)
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