NN	Part			Digikey Link		Qty		Price
1 	Capacitor 100n		587-1226-1-ND 		5 (buy 10)	0.15
2	Capacitor 2.2uF		311-1686-1-ND 		1		0.29
3	Resistor 10K		RMCF0402JT10K0CT-ND	3 (buy 10)	0.12 
4	Resistor 100K		RMCF0402JT100KCT-ND	3 (buy 10)	0.12
5	Diode			CUS520H3FCT-ND		3 		0.21 x3
6	Microcontroller		MKL05Z32VFK4-ND 	1		2.92
7	Potentiometer		TC33X-103ECT-ND		1		0.28 
8	Connector header	S9005E-05-ND		1		1.24
9	Battery holder 2xAAA	BC2AAAW-ND		1		1.11
10	Battery holder CR2032	BU2032-1-HD-G-ND	1		0.83
11	Copper clad		473-1000-ND		1		5.58
12	MOSFET N-ch		IRLML2502GTRPBFCT-ND	1		0.41
13	MOSFET P-ch		IRLML6401PBFCT-ND	2		0.36 x2
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		0.64
17	Micro-USB connector	609-4613-1-ND		1		0.46
18	Buzzer			433-1007-1-ND		1		3.03
19	Tactil switch		401-1812-ND		3		0.70 x3
20	LCD display		NHD-0216HZ-FSW-FBW-33V3C-ND  1		11.61
21	16-pin header		3M9454-ND 		1		1.10
22	16-pic receptacle	S7049-ND		1		1.27
23	DS3231			DS3231MZ/V+-ND		1		6.46
24	SI7051			336-3609-ND 		1		1.97
25	MCP1703			MCP1703-3002E/DB	2		0.64 x2