Smart_watch_v3

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STD Smart_watch_v3

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Update time： 2022-07-28 10:26:56

Creation time： 2018-10-23 12:29:33

Description

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Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	4.7pF	C1,C3,C5,C6,C7,C9	0603	6
2	2.2uF	C8	0805	1
3	LEDA	D1,D2,D3	0402P	3
4	LED	LED2,LED3	CHIPLED_0805	2
5	Header-Female-2.54_1x4	P1,P5	HDR-4X1/2.54	2
6	FS8205A	Q2	TSSOP-8_3X4.4X065P	1
7	24Ω(240)	R1,R2,R3,R5,R6,R7,R8,R9,R10,R11,R12,R14,R15,R16,R18,R19,R20	0603	17
8	1.2K	R4	0603	1
9	61.9KΩ	R13,R17,R21,R22	0402	4
10	90 deg button with wings	S1,S3,S4	90 DEG PUSH BUTTON WITH WINGS	3
11	DS3231	U1	SO16W	1
12	ATMEGA328P-MU	U2	QFN-32_5X5X05P	1
13	TP4056	U3	SOP-8_EP_150MIL	1
14	DW01A	U4	SOT-23-6	1
15	buzzer klj-5020	U5	BUZZER 5020	1
16	CH340C	U6	SOP-16_150MIL	1
17	CON-USB-F-MICRO-B	USB2	CONN_USB_MICRO-B	1
18	1mm pad smd	X1,X3,X4,X5,X6,X7,X8,X9,X10,X11,X12,X13	1MM_PAD_SMD	12
19	16MHz	X2	3213	1