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Standard
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
4.For enterprises, more professional users
Ongoing
STD 555 Siren sound Generator
License: GPL 3.0
Mode: Editors' pick
- 0
Update time：
2021-04-10 10:32:22
Creation time：
2017-11-15 07:30:48
Description
A Sound Generator siren project, suitable for beginners. Build a simple, but widely applied. The siren sound is a sound listening to indeed impactful. Commonly used as a sounds alarms in many forms. Read more : [**555 Siren sound Generator**](https://www.eleccircuit.com/555-siren-sound-generator/)
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | 555 | IC1,IC2 | DIP8 | 2 |
| 2 | 15K | R1 | AXIAL-0.3 | 1 |
| 3 | 10K | R2 | AXIAL-0.3 | 1 |
| 4 | 47uF/25V | C1 | CAP-TAN-S2.5 | 1 |
| 5 | 0.0068uF | C2 | RAD-0.1 | 1 |
| 6 | BD140 | Q1 | TO-92(TO-92-3) | 1 |
| 7 | * | R3 | AXIAL-0.3 | 1 |
| 8 | SPEAKER | 8OHM | AL60P | 1 |
| 9 | 4.7ohms/1W | R4 | AXIAL-0.3 | 1 |
| 10 | 100uF/16V | C3 | CAP-TAN-S2.5 | 1 |
| 11 | DUAL_SWITCH_INV | SW1 | NONE | 1 |
| 12 | 9V | B1 | BATTERY-1 | 1 |
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