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 Robotics / Handy Board / 5212
5211  |  5213
Subject: 
senor signal line back to HD
Newsgroups: 
lugnet.robotics.handyboard
Date: 
Fri, 22 Jan 1999 05:30:04 GMT
Original-From: 
phillip chia <philchia@singnet.SPAMCAKEcom.sg>
Viewed: 
1047 times
  
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



Message has 1 Reply:
  Re: senor signal line back to HD
 
(...) 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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