 | | Re: stacked L293's
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It sounds like you have some kind of short in your L293B/D circuit. Do you have any single chips you can try separately? This method of stacking chips does often work, but you might have blown one, and then the two of them are fighting each other. (...) (27 years ago, 14-Jun-97, to lugnet.robotics.handyboard)
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| | Re: your mail
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(...) Hi, You can tap the +5Volt pin from any of the digital/analog headers to power your motor drivers. (...) (27 years ago, 14-Jun-97, to lugnet.robotics.handyboard)
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| | (no subject)
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Ihave solder two l293 (one D y one B) togethers .If i push that in the board , the battery go off in 60 seconds!!!! If i probe the motos (testmotors()) work fine ,but leds for the motor ligth without this outputs are actives!!! Wath is happens??? I (...) (27 years ago, 14-Jun-97, to lugnet.robotics.handyboard)
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| | RE: NiMH batteries?
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i'm sure they do, but the memory effect can be fixed and can be used to your advantage in some cases... you may want to talk to people all a local hobby store... esp. if they have a track.... i never learned the memory stuff, being into gas trucks, (...) (27 years ago, 14-Jun-97, to lugnet.robotics.handyboard)
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| | Need a Credit Card...
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If you have challanged(bad)credit and want to rebuild it, a good start is with a credit card. How DO I GET ONE you might ask? Follow the link below: (URL) (27 years ago, 14-Jun-97, to lugnet.robotics.handyboard)
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| | RE: NiMH batteries?
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Does anyone know if NiMH batteries suffer from the memory effect? ---...--- ericson mar Master of Engineering Candidate Project: Mobile Robotics mar@cooper.edu (212)353-4356 Department of Mechanical Engineering The Cooper Union for the Advancement (...) (27 years ago, 13-Jun-97, to lugnet.robotics.handyboard)
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| | Compiling in MS-DOS
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I searched the archives and found the web site for the MS-DOS version of the assembler compiler, but I seem to be having problems compiling programs (it would be nice if the HB web site linked directly to this site, since it looks like I wasn't the (...) (27 years ago, 13-Jun-97, to lugnet.robotics.handyboard)
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| | Sensor Basics
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Robots depend upon sensors to give them information about the "real world." These sensors detect a value, convert it to a measureable form, and scale its range. A Phototransistor, for example, converts light intensity into fluctuations of electrical (...) (27 years ago, 13-Jun-97, to lugnet.robotics.handyboard)
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| | NiMH batteries?
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Hi, I just came accross a 7.2volt (6 cell) NiMH battery. I think it's from a cell phone. My questions are: 1- can they be low current charged just like nicads? 2- can they deliver gobs o' current like nicads? 3- has anyone used them with a (...) (27 years ago, 12-Jun-97, to lugnet.robotics.handyboard)
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| | unsubscribe
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please remove me from the mailing list unsubscribe (27 years ago, 12-Jun-97, to lugnet.robotics.handyboard)
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| | Handy Board - Interface/Charger Board
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Hi, I have started a project to build a Handy Board and everything was going fine until I started checking voltage in step 3.2.2. I get around +5 volts going from pin 2 of U16 to pin 7 of J9. Also, when checking pin 6 of U16 I'm getting nothing. I (...) (27 years ago, 12-Jun-97, to lugnet.robotics.handyboard)
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| | vakantie jaron
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hoi han, zou jij voor de komende periode (tot 1 juli) mijn elektronische post dat binnenkomt op jaron.paludanus@rnw.nl (èn synoniemen) kunnen doorsturen naar 101377.1661@compuserve.com, thanxs * Radio Nederland Wereldomroep * Afdeling Informatie (...) (27 years ago, 12-Jun-97, to lugnet.robotics.handyboard)
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| | Walker Invasion
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Walking robots are in vogue now. Moving step-by-step over uneven terrain--indoors and out, they seem to have a life of their own. They were once complicated devices that took many man-years to build and program. Now, students routinely build them (...) (27 years ago, 12-Jun-97, to lugnet.robotics.handyboard)
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| | Problems with inputs.
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I have my new handy board, but i can.t read any input. I have tried with peeks and with the hbtest.v and other programs. The only oinput that works are the two buttons. I have replaced the Rpacks with resistances, because here (i'm from argentina) (...) (27 years ago, 12-Jun-97, to lugnet.robotics.handyboard)
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| | IC in Linux
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I'm using (or trying to use) IC version 2.860 beta for Linux, but it doesn't like the pcode I have on the handyboard. I have pcode version with a major version number of 2 and a minor number 81. The ic is looking for a version such that (major*10 + (...) (27 years ago, 11-Jun-97, to lugnet.robotics.handyboard)
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| | unsubscribe
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please remove me from the mailing list (27 years ago, 11-Jun-97, to lugnet.robotics.handyboard)
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| | motor power...
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Hi All, I've run into some problems with my robot, any help in solving it will be appreciated. Iam using a radioshack toy for my vehicle. The onboard H-bridge on the vehicle has transistors rated at 10A max, 50Wmax. As the HB drivers cannot power (...) (27 years ago, 11-Jun-97, to lugnet.robotics.handyboard)
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| | LCD panel
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Sirs I have a Sharp LM64P62 640X480 LCD panel, and would like to use a handy-board (or ??) as a stand-alone controller for it. any suggestions, schematics or software would be appreciated. yours, darrell (27 years ago, 11-Jun-97, to lugnet.robotics.handyboard)
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| | RE: NiMH batteries?
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for all custom nicad applications, i use radio controlled car batteries.... high amp's... steady charge... great for quick charge... you can even get them matched (which isn't really nessicary for most applications) you can find these batteries in (...) (27 years ago, 11-Jun-97, to lugnet.robotics.handyboard)
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| | vauge
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Hi All, Whenever i switch ON the board, the IR OUT LED also glows???? this problem was not there before, came suddenly out of the blue... any suggesstions, remedies???? Thanks Sriram (27 years ago, 10-Jun-97, to lugnet.robotics.handyboard)
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