 | | Re: Which 68HC11x1xx
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(...) Fred, Where can one find info on the A1 vs E1 differences you mention. This is not in the 68HC11 reference manual (pink book). Thanks, Clay Timmons ctimmons@asic.sc.ti.com Dallas Personal Robotics Group www.dprg.org (27 years ago, 24-Jul-97, to lugnet.robotics.handyboard)
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| | Re: Which 68HC11x1xx
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'a0 is an earlier and discontinued version of the 'a1. 'e1 has some different features than the 'a1 but is almost identical for HB purposes. 'e1 has a little more internal RAM (which isn't really used by Interactive C) and some more flexibility on (...) (27 years ago, 24-Jul-97, to lugnet.robotics.handyboard)
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| | Re: Smoking serial/charger board...!!!
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make sure you have a telephone-style and not network-style RJ11 cable. Here is how you tell if you have a telephone-style or network-style RJ11 cable. Hold the two ends together, metal contact side up, as if you were trying to plug them into each (...) (27 years ago, 24-Jul-97, to lugnet.robotics.handyboard)
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| | Which 68HC11x1xx
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Hello I want to build a Handy-Board. Now I saw, that I can use several different 68HC11 Processors. In the partlist is the 68HC11A1FN, in the assembly instruction the MC68HC11E1FN in some pictures in the same instruction a picture with the (...) (27 years ago, 24-Jul-97, to lugnet.robotics.handyboard)
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| | RE: New list member
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In response to David's post about using the Mini SSC 2 boards and producing a walking robot (my aim is a 12 servo 6 legged walker) I am writing to provide the information that I have found. I have posted a similar question to David about the MiniSSC (...) (27 years ago, 24-Jul-97, to lugnet.robotics.handyboard)
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| | Smoking serial/charger board...!!!
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Well, Today I dig up my handyboard which was working fine with the serial/sharger board and all the last time I used it a few months ago. After a fresh overnight NiCd charge using the onboad power connector (i.e. not using the serial/charger board), (...) (27 years ago, 24-Jul-97, to lugnet.robotics.handyboard)
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| | Spi distances
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I want to connect various handyboard in a ring configuration, and i think do it via the SPI port. I need aprox. 50 meters between handyboards.Can the SPI support that distance ??? If don't how i can do that. Any help be beatifoul. Thanks in (...) (27 years ago, 24-Jul-97, to lugnet.robotics.handyboard)
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| | Re: New list member
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Regarding your problem with the jack on the serial line getting hot and melting (uh oh), I believe it is because the HB and Mini-SSC serial lines aren't quite compatable. If you're lucky, you might be getting data through (random coincidence?), but (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
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| | 2nd line of display
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I was wondering how to access the 2nd line of the display directly. In my application I would like to update the bottom line without changing the top line. Anyone know any way to do this? Any other info on direct positioning of the cursor? Thanks, (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
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| | New list member
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Just wanted to introduce myself as a new mailing list member. I've been reading the archives for a while, but my workplace only got the mailer working correctly to external locations yesterday. Anyway, I got my HB a while ago from Digital (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
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| | Load Capacitance of the 8MHz crystal?
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Salutations, all, I'm putting together a couple boards, and Mouser has (unfortunately) discontinued the part number listed in the parts list. There are, however, several 8MHz crystals of an appropriate size in the catalog, but I don't have an old (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
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| | Obtaining the Handyboard in the UK
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I have check with Customs & Excise in the UK and they say that there is no ?145 limit so obtaining the board from Hong Kong seems like a better idea and getting the enclosures from the states on their own (the charger needs to be obtained in the UK (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
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| | Re: Converting servos + other stuff
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(...) Servos work well, but are constrained to relatively light robots (less thana three pounds. You can use them on heavier robots if you install a bearing axle for the wheels and just use the servo to drive the wheel. Basically the servo wasn't (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
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| | Converting servos + other stuff
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hello, Yall! I'm trying to find a good source for motors, but to no avail.Has anyone tried using modified servos, as described in 'mobile robots'(Jones and Flynn)? It seems kind of expensive, but these appear to be pretty good quality stuff. (...) (27 years ago, 23-Jul-97, to lugnet.robotics.handyboard)
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| | i/c board as battery charger
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Hi, I've just succesfully assembled the hb kit i got from Digital Micro and attached it to a 2 wheel differential drive chassis. I'm very pleased with the handy board, but it's been a bit annoying when i'm downloading pcode and it takes the board a (...) (27 years ago, 22-Jul-97, to lugnet.robotics.handyboard)
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| | FW: Obtaining the Handyboard in the UK
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I don't know if Patrick sent this to the list but just in case here is his mail regarding the Handyboard in the UK. (...) (27 years ago, 22-Jul-97, to lugnet.robotics.handyboard)
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| | Re: Obtaining the Handyboard in the UK
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<bold>John Hatton, writes: </bold><x-quoted>The problem with ordering from the USA is that</x-quoted> <x-quoted>customs charge taxes/duty on goods over ?145 ($237 approx.) which</x-quoted> <x-quoted>increases the cost. </x-quoted> In Canada custom (...) (27 years ago, 22-Jul-97, to lugnet.robotics.handyboard)
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| | Obtaining the Handyboard in the UK
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Does anybody know if it is possible to get the Handyboard in kit form or assembled in the UK. The problem with ordering from the USA is that customs charge taxes/duty on goods over ?145 ($237 approx.) which increases the cost. Thanks in advance for (...) (27 years ago, 22-Jul-97, to lugnet.robotics.handyboard)
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| | Re: LM34 temp sensor to handy board?
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(...) Depends on the specific version of the LM34, I believe mine can read between -50 to 300 degrees Fahrenheit. ---...--- Jeff Keyzer UCSD EE Major jkeyzer@ucsd.edu (URL) (27 years ago, 22-Jul-97, to lugnet.robotics.handyboard)
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| | Re: LM34 temp sensor to handy board?
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(...) of (...) accuracy. What is the maximum temperature that the LM34 will 'read' ? Thanks Chris (27 years ago, 22-Jul-97, to lugnet.robotics.handyboard)
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