> I have a IR-sensor with an open collector output.
> Can somebody help me to explain how it works ?
> A drawing to show me will be nice.

That's a very non-specific question, but I think that you'll find that
it sinks a current in response to light. 

Don't you have a data sheet or some sort of information on the part?





-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist