[AVR] confuse to displaying the average adc value using codevisonavr

[johaniskandar]

please help, how solve the fluctuated adc value using codevisionavr? i will just to display the average value of it on lcd 16x2. thx very much

 

[ismbn]

can you please elaborate Your Question?
Its Difficult to understand...

 

[CncHobby]

Fluctuating ADC reading most of the time caused by noise. Try power your device using battery and keep away from mains, if the reading is getting better then it is positively the 50/60 mains noise is injected to the adc input. Some filtering needed, also averaging large number of adc samples can help a bit.

 

[johaniskandar]

I m sorry my mean is just want to scanning adc value during a minute and then dispalying the average value on lcd.,

 

[ismbn]

buffer in at an array and than take the average...
like

int i ;
long sum  = 0;
for(i = 0; i < "your Limit say 50"; i++)
array[i] = read_adc();
for(int x = 0; x < i; x++ )
{
sum = array[x] ;
}

average =sum / i;

i think This Do.... I hope

 

[johaniskandar]

Thx u very much for your replies, i will try. I hope the code is work