NN	Part			Digikey Link		Qty		Price
1	Microphone		668-1425-ND 		1		3.33
2	Capacitor 15p		311-1642-1-ND		1		0.10
3 	Capacitor 100n		587-1226-1-ND 		7 (buy 10)	0.24
4	Capacitor 1uF		587-2477-1-ND 		2		0.10 x2
5	Capacitor 2.2uF		311-1686-1-ND 		1		0.28
6	Resistor 2.2K		RMCF0402JT2K20CT-ND	1		0.10
7	Resistor 1K		RMCF0402JT1K00CT-ND	1		0.10
8	Resistor 10K		RMCF0402JT10K0CT-ND	2		0.10 x2
9	Resistor 100K		RMCF0402JT100KCT-ND	1		0.10
10	Resistor 150K		RMCF0402JT150KCT-ND	1		0.10
11	Resistor 1M		RMCF0402JT1M00CT-ND	1		0.10
12	Resistor 2.7M		RMCF0402JT2M70CT-ND	1		0.10
13	Diode			SDM40E20LS-FDICT-ND	1		0.41
14	LED			754-1648-1-ND		1		0.55
15	MAX4467			MAX4467EKA+CT-ND	1		0.81
16	Microcontroller		MKL02Z32VFG4-ND		1		1.44
17	FDC6305N		FDC6305NCT-ND		1		0.45
18	Potentiometer		490-7005-1-ND		2		0.18 x2
19	Connector header	S9005E-05-ND		1		1.24
20	Battery holder		BC2AAAW-ND		1		1.11
21	Slide switch		401-2002-1-ND		1		0.46
22	Copper clad		473-1000-ND		1		4.88