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STD 7_segment_LED_clock
License: Public Domain
- 32
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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PCB
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| 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 |
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