Hello I need fast help please, because I must read the RPM from a fan till tomorrow ...
I tested a lot of codes and nothing to see...
My tested codes as examples ( i test a lot more ..)
http://jayanthsuresh.blogspot.com/2011/10/arduino-cpu-fan-rpm-out-to-serial.html
http://www.arduino.cc/cgi-bin/yabb2/YaBB.pl?num=1152891511/all (von Benoît ROUSSEAU)
Arduino Playground - ReadingRPM
the E-Plan is in link 1.
Pls help ...
Regards CJ