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Terry Gathright came across this great site and thought you might want to check it out. We hope you enjoy it! (URL) Gathright wrote: Hi Guys, Check this location for some hi power motor drivers, I have ordered two of the 35 amp boards and will let (...) (24 years ago, 12-Feb-01, to lugnet.robotics.handyboard)
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| | Re: downloading pcode
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Make sure that your phone wire between the HB and interface board has four wires, most generic phone wires only have two wires in them. -Dan (...) and (...) MAX232 (...) I (...) any (...) (24 years ago, 12-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Underwater Sensors
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James, maybe a moisture sensor out of a VCR could be modified to meet your needs??? They are made to detect condensation in VCR's. but if all else fails... water is a conductor, so you could theoreticly just put two bare contacts on the outer part (...) (24 years ago, 12-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Short Circute Problem -- EMERGENCY
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Raju, I have a handyboard version 1.21, on this board the battery led is working properly when it lights at power on and then goes off. According to the manual it should only remain lit when the power is too low indicating a dead battery. So I (...) (24 years ago, 12-Feb-01, to lugnet.robotics.handyboard)
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| | Re: downloading pcode
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Brian, I had the same problem with a board I built. It turned out to be the memory was bad. I would check all the solder connections to the memory socket and make sure that it is seated properly. -DAN (...) (24 years ago, 12-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Underwater Sensors
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If you had two wires hanging out, stripped at the ends, you could just check the resistance across them. Water usually has less resistance than air. (not a very cool solution but I think it would work) (...) (24 years ago, 11-Feb-01, to lugnet.robotics.handyboard)
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| | Re: Sonar and the expansion board.
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Nick.. I have exactly the same problem.. I couldn't even get the 'clicking' to start with and the chips on the sonar board got a little warm. I then have fitted the diodes in series with the power to the sonar board (connector pin 9) and added a 1K (...) (24 years ago, 11-Feb-01, to lugnet.robotics.handyboard)
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| | Underwater Sensors
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Anyone know of any sensors that could be used to tell if a robot is underwater or not? I'm working on an amphibious robot and need a way to tell what environment I'm in at any given time. Thanks. James (24 years ago, 10-Feb-01, to lugnet.robotics.handyboard)
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| | Re: downloading pcode
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After the Hyperterminal test I found that the loopback portion of the test failed. I have checked the continuity on each line of the phone cable and it looks good. As mentioned before the MAX232 chip on the Interface board has been replaced. I will (...) (24 years ago, 10-Feb-01, to lugnet.robotics.handyboard)
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| | Re: downloading pcode
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Hi -- it might be driver issues on the Windows site. Please go through the debug instructs at (URL) let us know where you stand after the HyperTerminal test. Fred In your message you said: (...) (24 years ago, 8-Feb-01, to lugnet.robotics.handyboard)
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