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Topic: Level shift 0v-1v signal to attachInterrupt (Read 1 time) previous topic - next topic

Udo Klein

#10
Mar 05, 2010, 05:56 pm Last Edit: Mar 05, 2010, 05:57 pm by udoklein Reason: 1
You can drop R2 completely if you enable the internal pullups. That is write a 1 to the ouput pin to enable the pullup.

Cheers, Udo
Check out my experiments http://blog.blinkenlight.net

avrguy

Thank for all the input guys. I tested it last night and it worked great
both with R2 and using the internal pull up.


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