 | | Re: handy board troubles...
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(...) Yes! I apologize, I meant "..._without_ the RJ11 cord connected..." Is it possible a surge could have fried the RAM and now it won't hold memory? That was my contention, but I'm not sure... John p.s. RAM replacement question: Will any 64K CMOS (...) (27 years ago, 21-Mar-00, to lugnet.robotics.handyboard)
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| | Re: Acroname robotics...
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(...) Acroname certainly seems to be the best source for the GP2D12 and Polaroid sonar. (...) I'm a fool, too. That's why I went with the fully assembled & tested Handy Board from Patrick Hui. The only things I had to add were the NiCd battery and (...) (27 years ago, 21-Mar-00, to lugnet.robotics.handyboard)
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| | Re: handy board troubles...
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(...) ^^^^ Do you mean without? That's my problem; the board only holds its data if the cord is plugged in. (...) I've also got a servo which I can't figure out how to drive from the exp. board, but the problem of the RAM discharging happens even (...) (27 years ago, 21-Mar-00, to lugnet.robotics.handyboard)
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| | Acroname robotics...
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I am looking to buy a Handy Board, Expansion Board, motors, GP2D12 sensors, Polaroid 6500 instrument package, and maybe the Eltec sensor. I will likely use Acroname, as they appear to have pretty good prices and I can save a few $$ on shipping. Has (...) (27 years ago, 21-Mar-00, to lugnet.robotics.handyboard)
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| | Re: resistor pull-up help!
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the exp bd inputs plug into the inputs on the main HB. so you still have to remove the pullup on the main HB. just cut the short trace on the underside of the board between the signal input pin and the pullup resistor. f. In your message you said: (...) (27 years ago, 21-Mar-00, to lugnet.robotics.handyboard)
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