I don't want any signals above 4Hz
To achieve this goal with the 10 bit Arduino ADC, then all input amplitudes with frequency above 4 Hz should be suppressed by around 60 dB. If that is the case, then sampling at 8 Hz would be fine.
I don't want any signals above 4Hz
To achieve this goal with the 10 bit Arduino ADC, then all input amplitudes with frequency above 4 Hz should be suppressed by around 60 dB. If that is the case, then sampling at 8 Hz would be fine.