 | | Re: before I reinvent the wheel
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| before I reinvent the wheelI haven't actually done this, but I'm pretty sure the theory is ok... On the handyboard web page is the pa79600 icb file which lets you use port a bit 7 as serial i/o. I have successfully used this to control some (...) (27 years ago, 22-Sep-99, to lugnet.robotics.handyboard)
| | |  | | before I reinvent the wheel
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| Has anyone used their HP48 to talk to a handyboard? (27 years ago, 21-Sep-99, to lugnet.robotics.handyboard)
| | |  | | Using 12V supply with Expansion Board?
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| Hello 'Botter, I think I am about to ask a stupid question but as a precaution, will the Expansion board be "ok" with a new 12V motor supply rather than the 9.6V connected to the Power Expansion header (J13)on the HB since the Expansion board and HB (...) (27 years ago, 21-Sep-99, to lugnet.robotics.handyboard)
| | |  | | (canceled)
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| | | |  | | Re: Shaft encoder
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| (...) The shaft encoder library routine available from the Handy Board web site works great for me. Just follow the links to Software, then Libraries, then Shaft encoders. Good luck! -- Will , , __@_/ \_@__ |/ | /__, o @_/ )\ ) ( \ (\/\\, ~~~...~~~ (...) (27 years ago, 21-Sep-99, to lugnet.robotics.handyboard)
| | |  | | RE: OVER 1 AMP
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| You can also stack a few of the original chips to make em work in parrallel. (...) (27 years ago, 21-Sep-99, to lugnet.robotics.handyboard)
| | |  | | OVER 1 AMP
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| Oh yeah, one more thing, how about connecting a 5 ohm resistor in series with a DC motor and there are 2 amps flowing, then the resistor is dissipating 20 watts of heat. Now I could have a higher value for the resistor, like 7, 10 ohms, I think that (...) (27 years ago, 21-Sep-99, to lugnet.robotics.handyboard)
| | |  | | OVER 1 AMP
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| Thanks everyone for your help, Now, I recieved two good answers for my problems. 1) Built an H-Bridge 2) Use the LMD18200 Now has any one any documentation on an easy H bridge that I could build without wasting much time? The same goes for the (...) (27 years ago, 21-Sep-99, to lugnet.robotics.handyboard)
| | |  | | Shaft encoder
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| To anybody, I have build a shaft encoder. Where can I get the software driver to evaluate the encoder data? Thanx, Jens (27 years ago, 22-Sep-99, to lugnet.robotics.handyboard)
| | |  | | Re: OVER 1 AMP
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| Do you know where the Caps Lock key is on your keyboard? Look for it, there is a little diode lighting up when it's on. If you see the little light, please do me a favor and before typing your email press the caps lock key once. GET IT? THANKS FOR (...) (27 years ago, 20-Sep-99, to lugnet.robotics.handyboard)
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