AVR-Chat

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?

> -----Original Message-----
> From: AVR-Chat@yahoogroups.com [mailto:AVR-Chat@yahoogroups.com]On
> Behalf Of Ralph Hilton
> Sent: Thursday, September 22, 2005 8:29 AM
> To: AVR-Chat@yahoogroups.com
> Subject: Re: [AVR-Chat] connect 0-10 volt sensor to internal A/D
>
> For safety I would add a protection diode from the ADC input to the +5
volt line.
> --