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Buzzers - sound generators

Products: 17
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Passive buzzer module without generator - black

Module with buzzer without a generator, allows you to generate audio signals with a signal voltage of a certain frequency. Board in black.
Index: MOD-02963
Index: MOD-02963
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Regular price €1.84 Price €1.84

Velleman VMA319 - module with active buzzer - 2 pcs.

Module with buzzer with a generator, allows you to generate audio signals with a constant voltage signal. Board in black. Set includes 2 pieces of modules.
Index: VEL-13028
Index: VEL-13028
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Regular price €4.42 Price €4.42

Buzzer with generator 32mm 12V in a case

Module with buzzer with a generator in  a   case  with  put out  wires and mounting handles.
Index: EAK-04189
Index: EAK-04189
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Regular price €1.47 Price €1.47

Mono Amplifier Kit with Power Switch and status LED - Kitronik 2173

The set consists of elements for building an amplifier based on NCP2890 circuit together with power switch and status LEDs. The output power of the amplifier is 1 W, the set...
Index: KTR-16878
Index: KTR-16878
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Regular price €4.40 Price €4.40

Grove - module with passive buzzer - Seeedstudio 107020109

A module with a passive buzzer that allows you to change the sound tones by adjusting the PWM frequency. The buzzer can be used as an alarm siren, its maximum volume is 80 dB...
Index: SEE-17268
Index: SEE-17268
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Regular price €2.67 Price €2.67

Piezoelectric membrane 27mm - 10pcs

Piezo membrane made of brass with an outer diameter of 27 mm, internal 19 mm and a thickness of 0.24 mm. Resistance 250 Ohms, capacitance 45 NF, frequency 2.5 kHz.
Index: UCC-03877
Index: UCC-03877
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Regular price €0.91 Price €0.91

Grove - Buzzer - module with active buzzer

Active buzzer module from Grove. It e mits a uniform tone after taking a high position. When using PWM, it can generate different sounds and effects. The power voltage from 4...
Index: SEE-11298
Index: SEE-11298
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Regular price €1.15 Price €1.15

Grove - a speaker with a digital interface

Speaker module Grove is a device controlled by the PWM signal. It c an work as a simple buzzer or audio player. The volume is adjustable with the built in potentiometer. The...
Index: SEE-11352
Index: SEE-11352
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Regular price €2.77 Price €2.77

Active buzzer module with generator - black - Iduino ST1143

Module with buzzer with a generator, allows you to generate audio signals with a constant signal  voltage. Board in black.
Index: MOD-02962
Index: MOD-02962
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Regular price €1.09 Price €1.09

Piezoelectric membrane with wires - 20mm - SparkFun SEN-10293

The piezoelectric elements are useful for detecting the vibration or knocking. You can use them in a simple way by reading the voltage at the output. It can also be used for...
Index: SPF-11152
Index: SPF-11152
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Regular price €1.62 Price €1.62

Buzzer without generator 5V 1mm - THT

Passive buzzer (does not have a generator) with a diameter of 12 mm , designed for THT threaded mounting. Powered by 5 V .
Index: DNG-18290
Index: DNG-18290
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Regular price €0.79 Price €0.79

Buzzer with generator 30mm 3-24V in a case

Module with buzzer with a generator in a case with put out wires and mounting handles.
Index: EAK-04188
Index: EAK-04188
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Regular price €0.86 Price €0.86

Module with active buzzer with generator - green

Module with active buzzer with a generator, allows you to generate audio signals with a constant voltage signal.
Index: MOD-04526
Index: MOD-04526
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Regular price €1.28 Price €1.28

Buzzer without generator 3-16V 14mm - THT

Buzzer without generator about 14 mm in diameter. Voltage supply range from 3 V to 16 V.
Index: EAK-02609
Index: EAK-02609
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Regular price €0.51 Price €0.51

Buzzer without generator 23mm 1-40V in a case

Piezoelectric transducer in a case with put out wires and mounting handles.
Index: EAK-04187
Index: EAK-04187
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Regular price €0.20 Price €0.20

Active buzzer with generator FY248 23mm 3-18V

Piezoelectric transducer in a case with put out wires and mounting handles.
Index: EAK-02090
Index: EAK-02090
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Regular price €0.79 Price €0.79

Active buzzer with generator 5V 12mm - THT

Buzzer with continuous tone generator with a diameter of 12 mm. Power voltage of 5 V.
Index: EAK-00786
Index: EAK-00786
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Regular price €0.27 Price €0.27

In this category of our Botland electronics store, we present both simple sound pickups and more advanced buzzers. The latter are equipped with generators and modular tone generators. The choice of the right solution for the designed device is dictated by many factors. They mainly include: the type of application, the amount of space available in the housing, as well as the characteristics and the required volume of the signaling. Check out the products below and scroll down for more information!

A simple sound converter or a buzzer with a generator – what to choose?

If we decided that we need a sound signaling device, then that's not all. You then have to choose which device will work best.

In terms of construction, the simplest device will be acoustic signaling in the form of a piezo transducer (sometimes so-called ‘plates’) or a passive buzzer in the housing. Passive buzzers available differ in the way they operate. Piezo transducers convert the alternating voltage into distortions of the piezoelectric material. The result of this process is the generation of a sound wave. In turn, acoustic electromagnetic buzzers use the principle of operation of a classic electrodynamics’ loudspeaker.

Regardless of the design, all passive buzzers require alternating voltage to operate. It can be produced by a microcontroller or any sound generator system. If we decide to use a passive buzzer and control with a microcontroller, we should only remember that microprocessors have a limited current output capacity. Moreover, using an appropriate electronic system, it is possible to both control the sound frequency and modulate the sound amplitude. The sound generator (buzzer) is one of the elements that will be 100% useful when creating various types of electronic projects - both intermediate and professional ones.

Acoustic buzzers – what should you know about them?

The buzzer with the generator significantly simplifies the use of the converter in the built circuit. This is due to the design and technical possibilities. The housing of the active buzzer houses a simple, highly miniaturized alternating voltage generator. Thanks to this, in order to activate this type of buzzer, it is enough to apply DC voltage. The voltage value should be within the range given in the technical specification of a specific model.

The undoubted advantage of such devices is that they enable control without the need to generate an alternating waveform. Due to the fact that we have no influence on the amplitude of the alternating signal generated by the buzzer, in this type of element the possibility of modulating the amplitude is limited to simply switching the buzzer on and off. In most applications, however, this is completely sufficient, because with the help of a very simple code or system, you can program the buzzer to work exactly as you want.

Buzzers – basic and more advanced devices

There are many types of buzzers. First of all, we can distinguish passive and active buzzers. These devices are available both as single pieces and as complex modules. The latter make it possible to conveniently screw the buzzer anywhere in a given component. The connection is most often done with classic goldpins.

For semi-professional and fully professional applications, e.g. advanced applications, the tone generator is the perfect choice. The system can not only work as a classic buzzer, but also allows you to control the amplitude of the sound and its pitch. So it is suitable for playing simple melodies. In this case, the pitch is controlled by a PWM signal.