pi board and keypad

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STD pi board and keypad

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Update time： 2021-07-29 19:14:37

Creation time： 2020-01-02 12:56:20

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Design Drawing

schematic diagram

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PCB

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BOM

ID	Name	Designator	Footprint	Quantity
1	DS1307N	U6	DIP-8_L9.8-W6.6-P2.54-LS7.6-BL	1
2	AMS1117-3.3_C369933	U4	SOT-223-4_L6.5-W3.5-P2.30-LS7.0-BR	1
3	IC_UC_ATMEGA328PDIL	U25	DIL28-N	1
4	5X20MM_FUSE_HOLDER	F1	5X20-BLX-A	1
5	EVQ22705R	SW1	KEY-6.0*6.0-4	1
6	IN4148	D1,D2	DO-35_BD2.0-L4.2-P8.20-D0.5-RD	2
7	ECS-3X8X (32.768kHz Crystal)	Y1	ECS-3X8X	1
8	DC21P	U1	DCSKTP	1
9	204-10SURD/S530-A3	LED1	LED-3MM/2.54	1
10	.1u	C9,C10,C2	RAD-0.1	3
11	battery_holder_2032	U7	BATTERY_HOLDER_2032	1
12	AQV212	U23,U22,U21,U20,U19	DIP-6_L8.8-W6.4-P2.54-LS7.6-BL	5
13	1k	R40,R39,R38,R37,R36,R35,R12,R11,R10,R9,R8,R7,220,R2,R4	AXIAL-0.3	15
14	330	R15,R13,R14,R17,R18,R16,R23,R22,R21,R20,R19	AXIAL-0.3	11
15	220	R28,R26,R25,R24,R3	AXIAL-0.3	5
16	10k	R1	AXIAL-0.3	1
17	470	R5	AXIAL-0.3	1
18	220S-1*4P H=8.5MM Ytype Gold-plated	H1,H2	DIP-1X4P2.54	2
19	16MHz	XTAL1	16MHZ_OSC [PCB]	1
20	PC817C	U13,U11,U10,U9,U8,U5,U18,U17,U16,U15,U14,U24,U26	DIP4	13
21	PololuD24V50F5	U2	POLOLU D24V50F5	1
22	Raspberry Pi 3 B+	RPI1	HDR-20X2/2.54	1
23	CON_TERMINAL_BLOCK_02-5MM	J2,J1	TERMINAL_BLOCK_2P_5	2
24	LCD 2004 + I2C interface 20*4 characters	U3	LCD 20*4 HD44780	1
25	Header-Female-2.54_1x6	P2,P1	HDR-6X1/2.54	2
26	22pf	C6,C7	RAD-0.1	2
27	ST-USB-003A	JP1	USB4+2P-2.0-90D	1