AVR-Chat

On Thu, 22 Sep 2005 12:11:25 -0000 you wrote:

>Hi
>
>I use sensor with output 0-10 volt 
>
>plz Help me how to connect 0-10 volt sensor to internal A/D
>
>(0-5 volt   working good but how to connect 0-10v)
>
>Thanks
>
>M.Juliat

Connect a 10k resistor from the sensor output to the ADC input and 10k from the ADC input
to ground. that will halve the voltage on the ADC input pin. For safety I would add a
protection diode from the ADC input to the +5 volt line.
--
Ralph Hilton
http://www.ralphhilton.org
C-Meter: http://www.cmeter.org
FZAOINT http://www.fzaoint.net