Hi, my code is float value=0; float rev=0; int rpm; int oldtime=0; int time; #include<SD.h> void isr() //interrupt service routine { rev++; //Each rotation, this interrupt function is run twice, so //take this into consideration //when calculating ROC Disk Speed //update count } void setup(…

Using IR sensor and IR receiver to measure the speed of the shaft

nghtitus June 22, 2018, 11:00am 4

Thank you for the response. I will incorporate your comments in my code and see what happens.

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