Raspberry PI 4 Ext. Power Supply and Serial

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STD Raspberry PI 4 Ext. Power Supply and Serial

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Update time： 2021-02-28 21:59:07

Creation time： 2020-03-03 21:06:23

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Design Drawing

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	220u	C3	CAP-D8.0×F3.5	1
2	1N4007	D4,D3	DO-41_BD2.4-L4.7-P8.70-D0.9-RD	2
3	HDR-M-2.54_1x2	PD_LED	HDR-F-2.54_1X2	1
4	47K	R8,R9	R_AXIAL-0.3	2
5	1K	R13,R10,R12	R_AXIAL-0.3	3
6	3K3	R7,R6	R_AXIAL-0.3	2
7	1k	R4	R_AXIAL-0.3	1
8	220K	R11	R_AXIAL-0.3	1
9	BC847	Q3,Q4,Q5	SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR	3
10	2N7002	Q1	SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR	1
11	cp2102	SERIAL	CP2102_MODULE	1
12	7101SYZQE	U1	SW-TH_7101SYZQE	1
13	DC-DC step up	U3	DC DC STEP UP 5V	1
14	ATtiny85V-10PU	U2	DIP8	1
15	220S-1*4P H=8.5MM Ytype Gold-plated	DISPLAY	DIP-1X4P2.54	1
16	HDR-M-2.54_1x2	FAN	HDR-M-2.54_1X2	1
17	HDR-M-2.54_2x20	RPI	HDR-M-2.54_2X20	1
18	270	R2	R1206	1
19	10k	R1,R3	R1206	2
20	RES_10_1W	R5	RES 10 OHMS 1W	1
21	50F	C2,C1	CAP-TH_BD18.0-P7.50-D1.2-FD	2
22	IRF5305PBF	Q2	TO-220-3_L10.0-W4.5-P2.54-T	1
23	WJ2EDGVC-5.08-2P	P3,P2,P1	WJ2EDGVC-5.08-2P	3
24	SS32	D2,D1	SMC_L7.1-W6.2-LS8.1-RD	2