7_segment_LED_clock - EasyEDA open source hardware lab

Std edition 7_segment_LED_clock

Profile：7 segment LED clock based on the Atmega328AU microcontroller and WS2812 addressable LEDs. The LED clock circuit contains such nodes as: an ATmega328AU command microcontroller, a DS3231 real-time microcircuit, touch-sensitive buttons based on the TTP223-BA6 microcircuit and WS2812 addressable LEDs.

License: Public Domain

Published Time: 2022-04-25 03:38:33

Description

Channel on Youtube: * [https://www.youtube.com/c/HOBBYHOMEELECTRONICS](https://www.youtube.com/c/HOBBYHOMEELECTRONICS) Video on Youtube: * [https://youtu.be/5B9eKM4fVLA](https://youtu.be/5B9eKM4fVLA) Pinterest: * [https://www.pinterest.com/HobbyHomeElectronics/_created/](https://www.pinterest.com/HobbyHomeElectronics/_created/) Instructables: * [https://www.instructables.com/member/Hobby%20Home%20Electronics/instructables/](https://www.instructables.com/member/Hobby%20Home%20Electronics/instructables/) Facebook page: * [https://www.facebook.com/HobbyHomeElectronics/](https://www.facebook.com/HobbyHomeElectronics/) Tindie online shop: * [https://www.tindie.com/stores/hhe/](https://www.tindie.com/stores/hhe/) Please support me on Patreon to create a new projects. You can find all the necessary information for repeating this device by clicking on the link to Patreon: * [https://www.patreon.com/HOBBYHOMEELECTRONICS](https://www.patreon.com/HOBBYHOMEELECTRONICS) Author: Romans Dodu, Hobby Home Electronics.

Design Drawing

schematic diagram

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LED_Clock_Atmega328_WS2812_Schematic_1
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PCB

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LED_Clock_Atmega328_WS2812_PCB_1
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BOM

BOM download Purchase Parts

ID	Name	Designator	Footprint	Quantity	BOM_Supplier	BOM_Supplier Part
1	CR2032-BS-6-1	B1	BAT-TH_CR2032-BS-6-1	1	LCSC	C70377
2	10uF	C1,C69,C71,C73	C0805	4	LCSC	C17024
3	100nF	C2,C3,C4,C5,C8,C10,C11,C12,C13,C14,C15,C16,C17,C18,C19,C20,C21,C22,C23,C24,C25,C26,C27,C28,C29,C30,C31,C32,C33,C34,C35,C36,C37,C38,C39,C40,C41,C42,C43,C44,C45,C46,C47,C48,C49,C50,C51,C52,C53,C54,C55,C56,C57,C58,C59,C60,C61,C62,C63,C64,C65,C66,C67,C68,C70,C72	C0805	66	LCSC	C476766
4	22pF	C6,C7	C0805	2	LCSC	C465168
5	1uF	C9	C0805	1	LCSC	C111768
6	470uF	C74	CAP-SMD_BD8.0-L8.3-W8.3-FD	1	LCSC	C165531
7	CD4148WSP-C109001	D1	D0805-RD	1	LCSC	C109001
8	DC-005-5A-2.5-SMT	DC1	DC-IN-TH_DC-005-5A-2.0-SMT	1	LCSC	C319133
9	210SMT-2*3P	H1,H2	HDR-SMD_6P-P2.54-V-R2-C3-S7.3	2	LCSC	C124390
10	HDR-M-2.54_1x1	J1,J2,J3,J4	HDR-M-2.54_1X1	4	LCSC	C81276
11	WS2812B-B	LED1,LED2,LED3,LED4,LED5,LED6,LED7,LED8,LED9,LED10,LED11,LED12,LED13,LED14,LED15,LED16,LED17,LED18,LED19,LED20,LED21,LED22,LED23,LED24,LED25,LED26,LED27,LED28,LED29,LED30,LED31,LED32,LED33,LED34,LED35,LED36,LED37,LED38,LED39,LED40,LED41,LED42,LED43,LED44,LED45,LED46,LED47,LED48,LED49,LED50,LED51,LED52,LED53,LED54,LED55,LED56,LED57,LED58	LED-SMD_4P-L5.0-W5.0-BL	58	LCSC	C114586
12	IRLML6244TRPBF	Q1	SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR	1	LCSC	C143946
13	100	R1	R0805	1	LCSC	C25612
14	1K	R2	R0805	1	LCSC	C25612
15	10K	R3,R10	R0805	2	LCSC	C25612
16	4.7K	R4,R5,R6,R7	R0805	4	LCSC	C26022
17	200	R8,R11	R0805	2	LCSC	C119079
18	GL5616(5-10K)	R9	RES-PHOTO_CDS	1	LCSC	C11301
19	TTP223E-BA6	U1,U4,U5,U6	SOT-23-6_L2.9-W1.6-P0.95-LS2.8-BL	4	LCSC	C129457
20	ATMEGA328PB-AU	U2	TQFP-32_L7.0-W7.0-P0.80-LS9.0-TL	1	LCSC	C132230
21	DS3231M+TRL	U3	SOIC-16_L10.3-W7.5-P1.27-LS10.3-BL	1	LCSC	C37663
22	16MHz	X1	HC-49S_L11.4-W4.8	1	LCSC	C259047