Why has the PiEEG signal to be filtered when using a Raspberry Pi 5?

The PiEEG signal was filtered in the following example with the Raspberry Pi 5: PiEEG developer Ildar Rakhmatulin writes: «I’m thrilled to announce that we’ve tested the Raspberry Pi 5 with our PiEEG device! After rigorous testing, I’m delighted to report that PiEEG5 not only performs better but also operates faster than ever before. Stay …