 | | I have made a i2c routine for the handy board
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Hello, You want to use the i2c bus (by the SPI connector) with your handy baord ? I have made a routine to use i2c component (PCF 8574, 8591.......) with the handy board. Do you want it ? See you later. Dperonne@aol.com (26 years ago, 28-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Working with Legos
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My only tip is to stay away from cyanoacrylics. I used superglue to try to attach a motor to a brick, and it started eating away the brick. Stuck like a champ, but I had red "puss" all over the place. (...) (26 years ago, 28-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Working with Legos
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(...) That's an excellent suggestion. Thanks, Max. There are many other tips on Lego robot construction techniques in an article titled The Art of Lego Design by Fred Martin. It's available for download from the Handy Board web site: (URL) have been (...) (26 years ago, 28-Feb-99, to lugnet.robotics.handyboard)
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| | Working with Legos
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I have found a simple way to attach non-Lego motors to Lego components. I just use a band clamp as is used in plumbing to tighten the motor against two Lego axles. There is a picture and further details to show how this works at (URL) anyone else (...) (26 years ago, 28-Feb-99, to lugnet.robotics.handyboard)
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| | RE: Schematic, PCB freeware
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Thanks for the info guys, I found several good candidates among the suggestions. Clancy (...) (26 years ago, 27-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Schematic, PCB freeware
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Dear Clancy, Try looking at ftp://bode.ee.ualber.../softw/ibm Yours sincerely, Nitin (...) (26 years ago, 26-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Handyboard >32Kb RAM
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(...) Actually its 64K for the HC11 cause it has a 16 Bit address bus. 16^2 = 65536 = 64K But the upper address space is used by the I/O and expansionboards. There are some little empty spaces which could be used for additional RAM. There are (...) (26 years ago, 26-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Schematic, PCB freeware
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Depending on how many components you want to use, there is an evaluation version of EDWin around that works quite nicely. Very simple to do circuits and stuff like that, with a good library of bits. Yes even an autorouter. It can also do multi-layer (...) (26 years ago, 26-Feb-99, to lugnet.robotics.handyboard)
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| | Static sensitivity
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I am starting to install I.C.'s on my board and I was wondering are any of the chip's on the handy board static sensitive? which is to say if I touch it I will destroy it, without having somekind of static gaurd. ___...___ Steve Wall Sir Sandford (...) (26 years ago, 26-Feb-99, to lugnet.robotics.handyboard)
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| | Handyboard >32Kb RAM
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Hello again, Sorry I made a calculation error. If the processor is 8-bit then 32K is the maximum possible RAM. So I think no upgrade is possible. Hans Venema j.venema@wing.rug.nl (26 years ago, 26-Feb-99, to lugnet.robotics.handyboard)
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