As part of your report, connect wires to pin 7 and 8 as per the following table and report on what type of frequencies you can hear. Choose between high, low, all and none.

As part of your report, connect wires to pin 7 and 8 as per the following table and report on what type of frequencies you can hear. Choose between high, low, all and none.  
Pin 7 Pin 8 Frequencies heard Not Grounded Not Grounded  Grounded Not Grounded  Not Grounded Grounded  Grounded Grounded   
By now you may have found out what type of signal is being filtered. This is exactly how an equalizer filters signals when you listen to music. The last task in this lab is to design some filters  
TASK 4: Before you rip everything apart, take a photo of your hardware set up (Arduino DUE, the headphone and wiring) and attach it to the lab report to serve as a proof of you completed the experiment.  
TASK 5: As part of your report, design the following digital filters using the butter command in MATLAB. Provide MATLAB code and Bode plots of these filters. Choose order 4 and sampling rate of 5 kHz.  
 A band stop filter to kill all signals so nothing is heard.  A band pass filter to allow only low frequencies (80, 200Hz).  A band pass filter to allow only high frequencies (500,800Hz



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