Subject:
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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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Fri, 22 Jan 1999 05:30:04 GMT
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Original-From:
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phillip chia <PHILCHIA@SINGNET.antispamCOM.SG>
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Viewed:
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776 times
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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 12V. There is no linking back of the ground to the HD.
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 ?
rgds,
phillip chia
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Message has 1 Reply:
 | | Re: senor signal line back to HD
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| (...) The sensor should be grounded to the HB. (...) Oh yes. Quite a few messages this past week suggest how to avoid frying your sensor ports with excessive voltage. -- Will , , __@_/ \_@__ |/ | /__, o @_/ )\ ) ( \ (\/\\, ~~~...~~~ ' ` ~~~...~~~ ` (...) (26 years ago, 23-Jan-99, to lugnet.robotics.handyboard)
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