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

Docedison April 27, 2014, 5:50pm 3

Again. -2.5 v Isn't healthy for a device that diode clamps inputs to the supply rails, latchup would be the least of the many issues encountered in an attempt like that.

Doc

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Arduino Frequency Measurement

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