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Re: [AVR-Chat] connect 0-10 volt sensor to internal A/D

2005-09-22 by Ralph Hilton

On Thu, 22 Sep 2005 09:45:41 -0400 you wrote:

>Ralph
>
>Which way should the diode go - Anode to 5v or Cathode to 5v?
>
>I'm guessing it's backwards (K to 5v) to block large V from coming into the
>5v line, kinda like the flyback/free-wheeling diode on a relay or motor,
>right?

It goes with the arrow pointing to Vcc (K to Vcc). Yes, it stops excess voltage by
shorting it to Vcc.
--
Ralph Hilton
http://www.ralphhilton.org
C-Meter: http://www.cmeter.org
FZAOINT http://www.fzaoint.net

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