noxasdj
1
Hello,
I would like to know if there is anyway to make the median of the value with any control statement such as for, while.....
void loop () {
for (int i = 0; i<31;i++) {
voltL = analogRead (0);
myArray[i] = voltL;
}
value = (myArray[0]+myArray[1]+myArray[2]+myArray[3]+myArray[4]+myArray[5]+myArray[6]+myArray[7]+myArray[8]+myArray[9]+myArray[10]+myArray[11]+myArray[12]+myArray[13]+myArray[14]+myArray[15]+myArray[16]+myArray[17]+myArray[18]+myArray[19]+myArray[20]+myArray[21]+myArray[22]+myArray[23]+myArray[24]+myArray[25]+myArray[26]+myArray[27]+myArray[28]+myArray[29])/30;
Serial.println (value);
}
That way, it works but I wolud like to make an array of 512 values.
Thank you.
512 ints on a processor that may only have 1024 bytes of RAM is a bit of an ask.
What board do you have?
noxasdj
3
Arduino Duemilanove ATMega 328
Should be Ok.
Of course, you may want to read about for loops, unless you really like typing.
for (int i = 0; i<31;i++)
You declared myArray with 31 elements, didn't you?
So why did your average only use 30 of the values?
Or skip the array altogether, and sum the readings into a long.
noxasdj
5
You declared myArray with 31 elements, didn't you?
Sorry the code has to be like:
for (int i = 0; i<30;i++) {
For a median filter, you need an array, but for a simple arithmetic mean, a single long will suffice.
noxasdj
7
What do you mean with long?
Can your please write me the code below?
long voltSum; //global or static
voltSum += analogRead(0);
That won't find the median - just the arithmetic mean.
