 | | Re: Beginner's questions...
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(...) You'll need slotted disks mounted on the axles positioned between the emitter and the detector. I recommend using ones from a dead computer mouse. (...) You ought to check for wiring problems and excessive friction in the gears and axles. That (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | RE:Handyboard project
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Hi James, I purchased an assembled and tested H Board from Patrick Hui for about $200, as well as the registered version of IC. Also got his sensor kit ($15). Expansion Board was purchased from Gleason for $59. Also bought the sensor/motor kit from (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | Re:Re: Beginners questions
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I got the gear sets from HVW Technologies in Canada. (URL) gear sets were pretty cheap when you take into account the exchange rate - about $20 for two. They come with motors but youll have to swap them with something else because the motors are (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | etching a handyboard
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What is the best way to manually etch the handy board, i've etched it by passing the circuit layout through the printer 3 times then ironing it on to the copper board. This works well but some traces bleed together. I have access to a PCB repair (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Canadian Boarder
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Digikey has a Canadian division also, its based out Ontario. I just recieved a list and they mostly everything on the list that has digikey beside it but nothing else. The total cost for these parts is $60 + or - $5. I hope this helps, where are you (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | Beginner's questions...
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Hello again all, Well, I've got an HB, HB Expansion board, geared motors (motors from Gleason, gears from HVW, "mashed" to fit), some good batteries and a downloader. I've also got sensors such as QRB1114 infared detectors, some General Electric (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | Re: I need a little help with understanding processes
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The most common problem many people have regarding processes is that they incorrectly assume you should call start_process repeatedly in order to keep a background process running. This is completely wrong, and it will crash the system one way or (...) (26 years ago, 10-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Polaroid Sonar Questions
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Good comment, Duncan. I intend rotating the 45° coverage through a full 360°. Using multiple transducers allows for more frequent pings and (I think) will provide greater resolution. - - - Nick - - - (...) (26 years ago, 9-Feb-99, to lugnet.robotics.handyboard)
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| | Re: Purchase a handyboard? where???
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Hi all, I want to know if Anyone will be selling the handyboard @ the Trinity firefighting home robot contest this year in Conn? also any links to where I can get one otherwise would be much appreciated. thanx -Mike (26 years ago, 9-Feb-99, to lugnet.robotics.handyboard)
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| | I need a little help with understanding processes
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Hi: I know the essential facts about IC's multitasking facilites and how to implement processes. But if you have too many processes is it normal for the board to reset? If so, how can it be prevented. Also how do I figure out for how many ticks to (...) (26 years ago, 9-Feb-99, to lugnet.robotics.handyboard)
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