 | | Re: Trouble working with PORTC
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Yes, I'm answering myself. I now notice that Port C is being used by the LCD. Therefore, I'm guessing that this is part of the problem (the whole problem, a really big problem?). I'm still curious as to how Port C might be shared - is it still (...) (26 years ago, 20-Jan-01, to lugnet.robotics.handyboard)
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| | Trouble working with PORTC
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I'm having a little trouble working with Port C on my 68hc11. A little background: the 68hc11 is part of a rug warrior pro. This board brings Port C out to an expansion socket which I can access. I'm generally using Interactive C 3.1 to work with (...) (26 years ago, 20-Jan-01, to lugnet.robotics.handyboard)
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| | Re: Sonar and the expansion board.
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Hi, Try some of these techniques from the sites list here and see what you get. If you still get the errors in readings then you should assume that there is a problem with the board. Fortunately all chips on the board are replaceable and there is a (...) (26 years ago, 20-Jan-01, to lugnet.robotics.handyboard)
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| | Sonar and the expansion board.
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I am having quite a problem with getting the proper readings from the sonar. Here is a little background on what I have tried. I have a total of four driver boards and four sonar modules. I have soldered on the non-polarized tantalum 0.1uF (...) (26 years ago, 20-Jan-01, to lugnet.robotics.handyboard)
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| | Re: downloading the pcode during assembly
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It is possible that the pins of the 68HC11 chip are not making good contact in the socket. To fix the problem remove the chip, take a sewing push pin and make a hook in the tip. Use it to very gently pull out each pin connection in the CPU socket. (...) (26 years ago, 16-Jan-01, to lugnet.robotics.handyboard)
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