acquisition of an analogic signal

Projects General Guidance
1

hi ,i'd like to do the acquisiiton of an analogic signal (an EMG signal which has a frequency of 500Hz) ,and for this i use an arduino DUE ,my problem is how to fixe the sampling frequency at 1Khz

thanks

2

With millis() or micros() I suppose.
Take a sample when a fixed time has past.
You might want to look at the BlinkWithoutDelay example in the IDE.
Leo..

3

Or use a dedicated timer interrupt.

There are other Due timer libraries out, that was the first I found with a ten second Google search.

4

thanks for this site
sorry ,Iam new in arduino ,can you give me more details about how to search

5

Google "Arduino due timer"