Subject:
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Re: senor signal line back to HD
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Sat, 23 Jan 1999 18:22:37 GMT
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Original-From:
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Will Bain <willbain@cs#ihatespam#.umt.edu>
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Viewed:
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909 times
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phillip chia wrote:
>
> Hi,
> Currently, I'm using a infra-sensor with supply by 12v external source
> battery.The signal line wire is plug directly into the HD digital or analog
> port. The positive and negative supply of this infra-sensor is connected to
> the external supply 12V. There is no linking back of the ground to the HD.
The sensor should be grounded to the HB.
> Question : Do I need to step down the voltage from 12v to 5V on the signal
> line before plug directly into the HD analog or digital port ?
Oh yes. Quite a few messages this past week suggest how to avoid frying
your sensor ports with excessive voltage.
-- Will
, ,
__@_/ \_@__ |/
| /__, o @_/
)\ ) ( \ (\/\\,
~~~~~~~~~ ' ` ~~~~~~~~~~~ ` ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Wendy Parson, Americans detest all lies except
Will Bain, lies spoken in public or printed lies.
& Tatoosh --Ed Howe
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Message is in Reply To:
 | | senor signal line back to HD
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| Hi, Currently, I'm using a infra-sensor with supply by 12v external source battery.The signal line wire is plug directly into the HD digital or analog port. The positive and negative supply of this infra-sensor is connected to the external supply (...) (26 years ago, 22-Jan-99, to lugnet.robotics.handyboard)
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