> > > For measuring frequency (rpm windmill, wind speed) > > > > > > Can you tell me more ? As a frequency divider ? Why not directly using a > > pin to count RPM ? > I need to measure the frequency from generator and translate to rpm > (depends > to pol number) and another pin is to measure frequency from reed relay > connected with pull down resistor and translate to rpm, for wind speed > (anemometer). > With this variable I wish to calculate the TSR (tip speed rotation) blade. > How you think I can made this with only one pin? With multiplexing? >
No, I was just wondering how you'd use 555 (which I never used) and was thinking that "collecting" ticks and converting to frequency may be doable using a pin + timer ? Cheers, Seb -- You received this message because you are subscribed to the Google Groups "jallib" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/jallib?hl=en.
