NN	Part			Digikey Link		Qty		Price
1 	Capacitor 100n		732-7532-1-ND  		5 (buy 10)	0.20
2	Capacitor 2.2uF		490-10695-1-ND 		1		0.23
3	Resistor 10K		RMCF0402JT10K0CT-ND	4 (buy 10)	0.12 
4	Diode			CUS520H3FCT-ND		1		0.22
5	Microcontroller		336-2579-1-ND  		1		1.54
6	Connector header	S9005E-05-ND		1		1.00
7	Battery holder 1xAAA	BCAAAPC-ND 		1		0.93
8 	Copper clad		473-1000-ND		1		5.86
9 	MOSFET P-ch		NTA4151PT1GOSCT-ND 	1		0.59
10	TPS61221		296-41854-1-ND		1		1.14
11	Inductor		490-17887-1-ND		1		0.38
12	Voltage reg		MCP1703T-3002E/CBCT-ND	1		0.56
13	Micro-USB connector	609-4613-1-ND		1		0.45
14	Tactile switch		401-1810-ND		2		0.58 x2
15	LCD display		1481-1232-ND  		1		20.15
16	LCD backlight		1481-1234-ND 		1		7.87
17	SI7051			336-3609-ND 		1		1.95
18	SIT1552			1473-1318-1-ND		1		1.92