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STD How to Make Simple Electronic Buzzer using Transistors
License: GPL 3.0
Mode: Editors' pick
- 0
Update time：
2021-04-11 22:47:27
Creation time：
2018-01-02 19:06:44
Description
An electronic buzzer circuit is simple. But useful well worth and the price is lower than 1$. By using just a 9-volts battery only. So without worrying about electrical leakage or electric shock from 220V to the buzzer. Read more : [**How to Make Simple Electronic Buzzer using Transistors**](https://www.eleccircuit.com/how-to-make-simple-electronic-buz/)
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | CS9012 | Q2 | TO-92(TO-92-3) | 1 |
| 2 | CS9013 | Q1 | TO-92(TO-92-3) | 1 |
| 3 | 50K | R1 | AXIAL-0.3 | 1 |
| 4 | 1.2K | R2 | AXIAL-0.3 | 1 |
| 5 | 120ohm | R3 | AXIAL-0.3 | 1 |
| 6 | 8ohm | SP1 | PS12 | 1 |
| 7 | 33uF | C1 | CAP-TAN-S2.5 | 1 |
| 8 | 0.047uF | C2 | RAD-0.1 | 1 |
| 9 | 204-10UYC/S530-A3 | LED1 | LED-3MM/2.54 | 1 |
| 10 | V+ | +9V | V+_R | 1 |
| 11 | GND | SUPPLY2 | V+_R | 1 |
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