 | | Re: Mindstorms
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(...) Yes, ROBOLAB works with Mac. Please see my unofficial FAQ for more information: (URL) (...) (26 years ago, 9-Oct-98, to lugnet.robotics.handyboard)
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| | RE: Mindstorms
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Robolab, sold by Pistco-Dacta (Lego educational wing), supposedly supports the MAC. (...) (26 years ago, 9-Oct-98, to lugnet.robotics.handyboard)
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| | RE: Wireless Link to HB
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Dave, Check out Linx Technologies sight at: (URL) have some nice uhf modules that use plain digital levels for input and output. Kevin Kevin Turner klturner@elko-nv.com "You'll never have enough time, money, or memory." (26 years ago, 9-Oct-98, to lugnet.robotics.handyboard)
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| | help on a ADC
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greetings everyone. im building a digital oscilloscope (to use on a PC) for a project in school but im running into trouble with the ADC im using because it says to use separate grounds and VCC for the digital and analogue parts, but browsing around (...) (26 years ago, 8-Oct-98, to lugnet.robotics.handyboard)
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| | Mindstorms
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Hi Fred. I enjoy the listserv, though I am a real novice and don't always understand what is going on. But, I am reading and learning. I just found out that you helped with the creation of the Legos Mindstorm robots, which I have purchased two for (...) (26 years ago, 8-Oct-98, to lugnet.robotics.handyboard)
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| | Re: driving stepper motors
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Look up the datasheet for the SGS-Thomson L297, they have a complete circuit diagram for a stepper motor driver there. (...) (26 years ago, 8-Oct-98, to lugnet.robotics.handyboard)
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| | driving stepper motors
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Hi all, I have nearly completed building my handy board and have come across a couple of stepper motors that i would like to use to drive my robot. Motor spec's are :- 2 Phase 6V 1.2A 1.8Deg step Is there any way of interfacing the handy board to (...) (26 years ago, 8-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Current supply
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Hallo Holger, Spezifikationen über die 68HC Familie kannst Du direkt über Motorola beziehen. Ich habe dort das "Pink-Book" kostenlos bekommen, Du must Dich lediglich mit der Literaturabteilung verbinden lassen (Ich habe für die 68HC11A0-A8) das Buch (...) (26 years ago, 8-Oct-98, to lugnet.robotics.handyboard)
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| | driving stepper motors
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Hi all, I have nearly completed building my handy board and have come across a couple of stepper motors that i would like to use to drive my robot. Motor spec's are :- 2 Phase 6V 1.2A 1.8Deg step Is there any way of interfacing the handy board to (...) (26 years ago, 8-Oct-98, to lugnet.robotics.handyboard)
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| | RE: About the elsema FMTR 2705
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Michael, I have tried to use the Elsema radios without the modem chips but because 27Mhz is such a noisy frequency (at least here in Australia) I found that I got way to much interference when interfacing directly to TTL. The modem chips are really (...) (26 years ago, 8-Oct-98, to lugnet.robotics.handyboard)
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| | does this list still exist?
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(26 years ago, 8-Oct-98, to lugnet.robotics.handyboard)
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| | HELP !!! Please...
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Hi Everybody, Sorry for bugging you all, but I'm desperate for some help... My graphics Display preferences got messed up, and reinstalling the graphics card driver is not fixing it... Last night I downloaded and unzipped (URL) , but while I was (...) (26 years ago, 7-Oct-98, to lugnet.robotics.handyboard)
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| | re: Current supply
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please see (URL) has pointers to the official Motorola 68HC11 documentation. regards, Fred (26 years ago, 7-Oct-98, to lugnet.robotics.handyboard)
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| | Re: Thanks! I found the FAQ and Archives...
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GDFRITZ@aol.com wrote: <snip> (...) The Handy Board Technical Reference (available for download from the HB web site) shows exactly how to connect microswitches and other sensors to the HB--complete with pictures. It's full of useful information; I (...) (26 years ago, 7-Oct-98, to lugnet.robotics.handyboard)
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| | Current supply
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Hi all, I am looking for the electrical specification of the 68hc11-family because I want to use one in another application. If someone, any where, this information has, PLEASE SEND IT me!!!!!! Thanks for all. PS: very interesting mailinglist (...) (26 years ago, 7-Oct-98, to lugnet.robotics.handyboard)
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| | difference between stepper & dc
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hi, I'm doing a robot to navigate it to a destination that needed to avoid obstacle collision along the way. Besides, I intend to use 2 dc motor ( 12v ,0.9Nm, 310mA rating) for the 2 wheels and include the encoder too. Should I use stepper for such (...) (26 years ago, 6-Oct-98, to lugnet.robotics.handyboard)
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| | Nevermind Squared...
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Ok, after reading it for the nth time, I think I understand this statement now: <<The normally open case means that the sensor line is pulled high by the 47K resistor on the Handy Board. The standard software for reading the state of a switch (...) (26 years ago, 6-Oct-98, to lugnet.robotics.handyboard)
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| | Nevermind...but, What is Normally Open?
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Ok, I feel real dumb. I could have sworn I didn't see the answer to that last question when I read the printed version of the docs I had. Now, I found the answer at: <<el.www.media.mit.e...dex.html>> I guess I was scanning the text for reference to (...) (26 years ago, 6-Oct-98, to lugnet.robotics.handyboard)
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| | Thanks! I found the FAQ and Archives...
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Thanks all for the motor tips! I've found the FAQ and the Mail List archives...so I shouldn't be asking so many dumb questions. However, since I've checked the FAQ and am have 45 minutes left doownloading the Archives...I have another (...) (26 years ago, 6-Oct-98, to lugnet.robotics.handyboard)
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| | Re: finding parts for Handy Board
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Russ, From your email address I assume your are looking for parts in the UK. SRAM - I don't have a Farnell catalog around but almost any 32Kx8 SRAM should work. RS part number: 311-007 Toshiba TC55257DPI, 265-465 NEC uPD43256. 68HC11 - The (...) (26 years ago, 6-Oct-98, to lugnet.robotics.handyboard)
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