 | | Re: LCD & serial connection
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It is possible you have a bum 6811. I have seen 6811's with bad output address lines. this causes mirroring in the RAM as what should be multiple locations get mapped to the same byte in memory. The downloader thinks things are working because each (...) (27 years ago, 24-Apr-97, to lugnet.robotics.handyboard)
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| | LCD & serial connection
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Thanks to those of you who sent your suggestions regarding the message below. I tried it all (replacing the LCD, checking each pin on both the RAM and the octal transparent latch 74HC373 for continuity, double checking the installed parts, I even (...) (27 years ago, 24-Apr-97, to lugnet.robotics.handyboard)
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| | Re: More Power
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Since we're on the topic, I would vote for the Hitachi SH series of 32-bit RISC microcontrollers. For $99, you can get an evaluation board with 64K of RAM (with sockets for up to 256K and other provision for further expansion), and the full GNU (...) (27 years ago, 23-Apr-97, to lugnet.robotics.handyboard)
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| | Re: motors
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Here's the motor I used so you all know not to buy it. Barber-Coleman FYQF 63310-9 12V DC If anyone has had any experience with this one or its siblings, please share your thoughts. I would be grateful for any further info. :) ---...--- ericson mar (...) (27 years ago, 23-Apr-97, to lugnet.robotics.handyboard)
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| | Re:
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I too was there during the contest though I was not one of the participants. I would like to add that the fire-fighting contest was the very first robot event I have been to. Now I plan to go to some of the other ones this year. Now I know why quite (...) (27 years ago, 23-Apr-97, to lugnet.robotics.handyboard)
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