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1.Easy to use and quick to get started
2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
4.For students, teachers, creators
Profession
1.Brand new interactions and interfaces
2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
3.More rigorous design constraints, more standardized processes
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Ongoing
STD VFD_Clock
License: GPL 3.0
Mode: Editors' pick
- 1
Update time：
2022-03-05 18:48:54
Creation time：
2019-02-15 07:43:25
Description
This project is based on soviet IC КР145ИК1901 and soviet tube ИВ-3.
Design Drawing
schematic diagram
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PCB
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| ID | Name | Designator | Quantity |
|---|---|---|---|
| 1 | none | A3 | 1 |
| 2 | MT3608 | A2 | 1 |
| 3 | 3.7V | GB1 | 1 |
| 4 | 1M | R4 | 1 |
| 5 | 120K | R3 | 1 |
| 6 | 1M | R1 | 1 |
| 7 | 15Omh | R5 | 1 |
| 8 | Stopwatch(Секундомер) | S7 | 1 |
| 9 | Alarm(Будильнык) | S5 | 1 |
| 10 | Minutes(Минуты) | S4 | 1 |
| 11 | Hours(Часы) | S3 | 1 |
| 12 | Stop_alarm(Выключение) | S6 | 1 |
| 13 | 470 | R6 | 1 |
| 14 | 10k | R7 | 1 |
| 15 | 1K | R8 | 1 |
| 16 | BC548 | VT1,VT2 | 2 |
| 17 | 10M | R2 | 1 |
| 18 | Speaker | BA1 | 1 |
| 19 | Power(Питание) | S1 | 1 |
| 20 | Alarm(Будильник) | S2 | 1 |
| 21 | HEADER | XT1,XT2 | 2 |
| 22 | 27pF | C1,C2 | 2 |
| 23 | 10n | C4,C3 | 2 |
| 24 | KR145IK1901 | DD1 | 1 |
| 25 | Micro USB | XS1 | 1 |
| 26 | 32768Hz | ZQ1 | 1 |
| 27 | TP4056 | A1 | 1 |
| 28 | ИВ-3 (IV-3) | HL1,HL2,HL3,HL4 | 4 |
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