Faster Analog Reads on Arduino

Using Arduino Project Guidance
5

That said I was doing some filtering of the results (average of 5 reads)

like this?

sum = 0;
for (int i=0; i< 5; i++) sum += fastAnalogRead();
val = sum/5;

better average 4 readings, the division will be a shift 2

sum = 0;
for (int i=0; i< 4; i++) sum += fastAnalogRead();
val = sum >> 2;

quite faster than division by 5 :wink:

Or did you do something like this? (sort of running average)

val = 0;
for (int i=0; i< 5; i++) val = (val + fastAnalogRead()) /2;