Subject:
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Where is "R4" on Handy Board Extension Schematic?
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Newsgroups:
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lugnet.robotics
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Date:
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Mon, 18 Jan 1999 18:32:14 GMT
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Original-From:
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rmtmd <RMTMD@CONCENTRICnospam.NET>
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Viewed:
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1047 times
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I have just finished building the extension board, and, while it appears
to work all right, I can't seem to find resistor R4 on the schematic.
The power transistor near the on/off switch is getting quite hot with the
expansion board piggybacked on the Hand Board and plugged into the
charger board (on normal charge rate), and I was looking to see if,
perhaps, a resistor was shorted somewhere. I noticed that R4 does not
appear anywhere on the schematic.
Also, I BOUGHT an assembled/tested Handy Board from Douglas, and it only
seems to recognize digital inputs 0 and 1 when I use the "digital(input#)
in the Interactive C command line. This is WITHOUT the extension board
even piggybacked. Before I contact Douglas, has anyone else had this
problem?
Ross M. Tonkens, M.D.
100 North Green Valley Parkway
Suite 240
Henderson, NV 89014
702 914-7120 VOICE
702 914-7129 FAX
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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