Procedure

1.	Connect the circuit as shown in Figure 1.
	- Figure 1-
2.	Connect the sound sensor to a socket on the interface.
3.	Hit one of the tuning forks with the rubber hammer. Wait for a few seconds for the high-pitched to subside.
4.	While the fork is still sounding, start the software to collect data.
5.	Save the results.
6.	Repeat steps 1 to 3 with the other tuning fork. Remember to save the collected data under a different file name.
7.	Repeat steps 1 to 3 while sounding both forks simultaneously. Save the results under a new file name.