I am trying to get a pin high on pin 20 when the program "hears" a frequency of 3000 Hz. The program is putting the readings out to the monitor as expected. The problem that I'm having is: that my "if" statement isn't sending the pin high. Maybe I misunderstand the output from notefreq1.read() but i…

a question about notefreq1

Topic		Replies	Views
Read a freqency from an analog pin Programming	62	22656	May 5, 2021
newbie -why doesnt this work??? Programming	6	1641	May 5, 2021
Help, Code for reading Frequency General Guidance	3	990	May 5, 2021
perche questo sketch non legge gli impulsi sotto i 31 hertz Software	5	1744	May 7, 2021
Reading signal frequency Programming	24	16356	May 5, 2021