How to Make Simple Electronic Buzzer using Transistors

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STD How to Make Simple Electronic Buzzer using Transistors

License: GPL 3.0

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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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BOM

BOM download Purchase Parts

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