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Hi, Yes, that schematic posted by Prabal was exactly what I meant. I sent you the bmp anyway, Adam. David (28 years ago, 2-Mar-97, to lugnet.robotics.handyboard)
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| | Re: motor voltages
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Adam, I think David meant something like this: |---|<|---|<|---|<|---| M+ ----x x----(motor)---- |---|>|---|>|---|>|---| | | M- ---...--- That way you have a voltage drop AND conduction in both directions. - Prabal (...) (28 years ago, 2-Mar-97, to lugnet.robotics.handyboard)
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| | where to get a board.
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hello. i'm new to this mailing list, and would like to purchase a handy board. i'm curious if there i a place where i could perhaps find a used one (in working order), or who the best (read: cheapest) distributor is. thanks for info you can provide. (...) (28 years ago, 2-Mar-97, to lugnet.robotics.handyboard)
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| | Re: Servos and Handyboard.
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you can't power 2 servos from the hb's own +5v supply. get a separate 5v supply (linear regulated, *noT* a switching supply, OR batteries) and run your servo power from that. connect this external supply ground to the HB motor ground (on J13). -Fred (...) (28 years ago, 2-Mar-97, to lugnet.robotics.handyboard)
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| | Re: motor voltages
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David, I would be interested in seeing a schematic on the wiring of the diode array. I am not sure of how it goes - exactly. I'm not located near a dedicated fax. I was wondering if it might not be too much trouble to sketch the schemtic on some (...) (28 years ago, 2-Mar-97, to lugnet.robotics.handyboard)
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| | Servos and Handyboard.
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Hi Everyone. I'm doing a project on controlling servos using the handy board (actually, I'm building a camera rig with servo controls and interfacing this tho the www) My problem is this: when i try to control both servos at the same time, using the (...) (28 years ago, 2-Mar-97, to lugnet.robotics.handyboard)
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| | as11 assembler
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Hi, This may be a dumb question, but I hope someone will oblige me anyway. I was checking out the handyboard website, and I wasn't able to find a PC version of the as11 assembler. Does anyone know where I can get a copy? Thanks, Maria ---...--- (...) (28 years ago, 2-Mar-97, to lugnet.robotics.handyboard)
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| | Re: D0 - D7
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Mar, This is what I've learned about the handyboard so far, and hopefully it will give you a little insight into what's going on with D0-D7 (the external bus). Because of the way the handyboard is configured, it's operating in special test mode. In (...) (28 years ago, 2-Mar-97, to lugnet.robotics.handyboard)
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| | Re: More Motor Speeds
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go to the software resources page, and then follow the link named "Interactive C for the Handy Board source code and information". -Fred -- This message was composed using Articulate Systems' PowerSecretary, a Macintosh-based speech-to-text (...) (28 years ago, 2-Mar-97, to lugnet.robotics.handyboard)
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| | Re: IR collision avoidance
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Riachard, Could you please explain to me how the IR emitter angled at 45 degrees is able to pick up its beem. I'm unsure of the IR emmission dynamics. Wouldn't an IR angled perpidicular to the wall being travelled along suffice as the only sensor? (...) (28 years ago, 2-Mar-97, to lugnet.robotics.handyboard)
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