Dear all, I just join the topic by the way. I am building a grid frequency measurement with arduino Uno. Here is the sketches that i made. #include<math.h> int sensorPin =0; int sensorValue=0; int i=0; int k=0; \\ counter int arr[500];\\ sample size 500 float f; \\ frequency void setup() { Seri…

Arduino Frequency Measurement

system April 27, 2014, 5:38pm 2

I am supplying a 2.5VAC to analog pin 0.

Plan on buying a new Arduino and not doing that.