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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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