NN	Part			Digikey Link		Qty		Price
1 	Capacitor 100n		587-1226-1-ND 		4 (buy 10)	0.24
2	Capacitor 2.2uF		311-1686-1-ND 		1		0.28
3	Resistor 10K		RMCF0402JT10K0CT-ND	3 (buy 10)	0.13 
4	Resistor 100K		RMCF0402JT100KCT-ND	3 (buy 10)	0.13
5	Diode			CUS520H3FCT-ND		1		0.21
6	Microcontroller		MKL05Z32VFK4-ND 	1		2.25
7	Potentiometer		490-7005-1-ND		1		0.18 
8	Connector header	S9005E-05-ND		1		1.24
9	Battery holder 2xAA	BC2AAAW-ND		1		1.11
10	Battery holder CR2032	BU2032-1-HD-G-ND	1		0.83
11	Copper clad		473-1000-ND		1		4.88
12	MOSFET N-ch		IRLML2502GTRPBFCT-ND	1		0.44
13	MOSFET P-ch		IRLML6401PBFCT-ND	1		0.45
14	TPS61221		296-41854-1-ND		1		1.16
15	Inductor		490-5121-1-ND		1		0.43
16	Voltage reg		MCP1703-3002E/DB-ND	1		0.62
17	Micro-USB connector	609-4613-1-ND		1		0.46
18	Buzzer			433-1007-1-ND		1		3.63
19	Tactil switch		EG4373-ND		3		1.16 x3
20	LCD display		NHD-0208BZ-FSW-GBW-33V3-ND  1		10.10
21	14-pin header		WM8125-ND 		1		1.44
22	14-pic receptacle	S7110-ND		1		1.21
23	DS3231			DS3231MZ/V+-ND		1		6.46
24	HDC1050			296-42616-1-ND		1		2.99