Subject:
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Re: Poloroid interface
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Sun, 12 Jan 1997 19:51:21 GMT
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Original-From:
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MAR ERICSON <MAR@COOPER.saynotospamEDU>
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Viewed:
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2396 times
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> > One thing that is a common question here is "What power source do I use?"
> > You can use the 5V bus of the HB. You should be able to draw power from anywhere on the 5V bus. It appears that the LM??? regulator of the HB can supply the surge 2.5 Amps needed. However, I'm not sure whether this will damage the LM??? in the long run. (???).
>
> We read several times here that the (relatively) huge power surge of the
> Polaroid would CTRL-ALT-DEL the Handyboard, so we bought two sets of the
> "preferred" battery packs ($37) so Polariod will have its own source.
> Each battery mount/holder looks about like a four inch floppy disk, and
> the battery slips inside. We just got them, but haven't tested
> Polaroids yet.
> --
> Richard T. Vannoy II richardv@abac.com
> PO Box 103 Computer Programmer
> La Mesa, CA 91944-0103 College Electronics Instructor
>
>
>
I'm currious.
How would one go about connecting the "external" battery to the Ranger. For a 5V "high" to be seen by the INIT input, you would have to have a closed loop, right?
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Message has 1 Reply:
 | | Re: Poloroid interface
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| (...) I don't have the schematics with me. If I remember right (James correct me if I am wrong!) we are talking two different inputs. The 5V INIT is just the trigger signal from Handyboard, but the 5Vdc POWER for the transmitter components comes on (...) (28 years ago, 12-Jan-97, to lugnet.robotics.handyboard)
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Message is in Reply To:
| | Re: Poloroid interface
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| (...) I found a number of good files here. We do need to sort them out though. We had a mish-mash of either incompletes or code for other boards. It looks like we'll be able to get it sorted out. By the way, we kept thinking IR sensors were cheapo, (...) (28 years ago, 12-Jan-97, to lugnet.robotics.handyboard)
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