Tell us about yourself!
It's because you have a different microprocessor. That chip requires different hex file so the arduino can understand it.
There's an excellent guide made by Bruce Carter from TI about filter design. Here's the linkhttp://www.vyssotski.ch/BasicsOfInstrumentation/Fi...He has the formula there to calculated the wanted frequency for Notch filter
DIY Japanese Toolbox
Navigate the Raspberry Pi's Software: Part 2
What You'll Need & Learn
Intro to Sonic Pi and Playing Media
Raspberry Pi Class
DIY EEG (and ECG) Circuit