AVR-Chat

Never thought about that one. Man do I have a lot to learn. Thanks.

Brian

--- In AVR-Chat@yahoogroups.com, Jim Wagner <wagnerj@...> wrote:
>
> One way is to add a series resistor to each input (say 4.7K to 10K),  
> then add a diode (preferably Schottkey,j but silicon junction will  
> work) from each input to the processor Vcc, cathode to Vcc. That will  
> limit each input at the micro to the current Vcc )(plus one diode drop).
> 
> Jim Wagner
> Oregon Research Electronics
> On Jul 28, 2009, at 7:40 PM, Brian wrote: