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Microphones and sound detection

Products: 39
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Microphone 50-56dB 9/4,5mm - THT - 10 pcs.

Height h: 4.5 mm. Diameter Ø: 9 mm. Sensitivity: 36-38 dB. Pins for soldering to  the printed circuit board.
Index: UCC-00740
Index: UCC-00740
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Regular price €1.51 Price €1.51

Microphone 36-38dB 6/2,7mm - THT - 10pcs.

Height h: 2,7 mm. Diameter Ø: 6 mm Sensitivity: 36 - 38 dB. Pins - pitch: 1.8 mm.
Index: EAK-03252
Index: EAK-03252
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Regular price €2.23 Price €2.23

Sound sensor - analog module - Waveshare 9534

Sound sensor module with analog and digital output. It works with supply voltage from 3.3 V to 5.3 V. It allows you to detect the volume or the identification of characteristic...
Index: WSR-04457
Index: WSR-04457
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Regular price €2.90 Price €2.90

Sound sensor - digital 5V

Sound sensor module equipped with a digital output. Works with a voltage of 5 V. Allows fordetermination of the volume or identifying characteristic sounds from the...
Index: MOD-06638
Index: MOD-06638
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Electret microphone and OPA344 amplifier module - SparkFun BOB-12758

Module with microphone and operational amplifier. The output signal is amplified 100 times so the system can be connected directly to the analog inputs of microcontrollers.
Index: SPF-01614
Index: SPF-01614
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Regular price €7.40 Price €7.40

I2S MEMS Microphone Breakout - SPH0645LM4H - Adafruit 3421

The module is equipped with a digital microphone with a range from 50 Hz to 15 kHz, and also with the I2S bus. Work voltage in the range of 1.6 V to 3.6 V.
Index: ADA-09715
Index: ADA-09715
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Regular price €7.85 Price €7.85

ISD1820 audio recording and playback module + speaker

Sound recording module based on ISD1820. It has a built-in microphone and a speaker attached. Built-in functions allow you to record and playback audio for up...
Index: MOD-07025
Index: MOD-07025
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Regular price €2.23 Price €2.23

MAX9814 - electret microphone with amplifier - Adafruit 1713

The module is equipped with electret microphone in the range from 20 Hz to 20 kHz and amplifier MAX9814 with auto gain control. The voltage of the work of 2.7 V to 5.5 V. The...
Index: ADA-08782
Index: ADA-08782
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Regular price €10.10 Price €10.10

Sound detector - microphone - SparkFun SEN-12642

Audio detector powered with the voltage ranging from 3.5 to 5.5 V. The module is easy to use, it has three outputs: an analog - to measure the intensity of the signal, digital...
Index: SPF-02211
Index: SPF-02211
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Regular price €10.33 Price €10.33

Battery charge level and sound level indicator - KA2284

The module is based on the KA2284 system. It is used to measure the input signal with the 5 LEDs, which are gradually included depending on the value of the measured voltage....
Index: MOD-07150
Index: MOD-07150
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Regular price €2.14 Price €2.14

Sound sensor - microphone - Iduino ST1146

The sound detector with a small microphone, a voltage supply range from 3.3 V to 5 V. T he module is easy to use, has two outputs: an analog - to measure the intensity of the...
Index: OST-14287
Index: OST-14287
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Regular price €1.33 Price €1.33

DFRobot Gravity - sound sensor - analog

Sound sensor module with analog output. Works with a supply voltage from 3.3 V to 5 V. It enables the determination of the volume or identifying characteristic sounds from the...
Index: DFR-03172
Index: DFR-03172
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Regular price €4.28 Price €4.28

Whadda WPSE309 - sound sensor - microphone

Sound detector powered by a voltage from 3.3 to 5 V . The module is easy to use, it has two outputs: analogue - enabling measurement of signal intensity and digital -...
Index: VEL-13023
Index: VEL-13023
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Regular price €3.98 Price €3.98

MP34DT01-M - PDM MEMS microphone - Adafruit 3492

MEMS microphone based on PDM (Pulse Density Modulation) signal. It has a built-in MP34DT01-M module and communication is via I2S interface. The signal to noise ratio SNR is...
Index: ADA-18668
Index: ADA-18668
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Regular price €6.28 Price €6.28

MAX4466 - electret microphone with amplifier - Adafruit 1063

The module is equipped with electret microphone in the range from 20 Hz to 20 kHz and MAX4466 amplifier with automatic gain control. The intensity of the work in the amount of...
Index: ADA-13159
Index: ADA-13159
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Regular price €8.78 Price €8.78

Sound sensor - microphone - Iduino SE019

Module with microphone the detects sound. Voltage supply range from 3.3 V to 5 V. It has  two outputs: an analog - to measure the intensity and a digital - changing state...
Index: OST-14292
Index: OST-14292
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Regular price €1.40 Price €1.40

Sound detector - microphone - SparkFun SEN-14262

Audio detector with power voltage range from 3.5 to 5.5 V. The module is easy to use, it has three outputs: analog - to measure the intensity of the signal, digital is...
Index: SPF-09865
Index: SPF-09865
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Regular price €12.13 Price €12.13

Microphone Tracer Screamer - Jack 3.5mm

Microphone for use at home, with a frequency range from 40 Hz to 16 kHz. Equipped with a mini-tripod and a cable with plug, length 2 meters. It allows you to record human...
Index: KAB-08695
Index: KAB-08695
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Regular price €10.78 Price €10.78

DFRobot Audio Analyzer

The module is equipped with an equalizer MSGEQ7. It a llows you to add audio detection for Arduino sound. It has 7 frequency bands: 63 Hz, 160 Hz, 400 Hz, 1 kHz, 2.5 kHz, 6.25...
Index: DFR-07443
Index: DFR-07443
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Regular price €18.88 Price €15.10
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DFRobot Gravity: Voice Recorder Module

Vioce recorder module based on ISD1820. It has a built-in microphone and a jack connector for speakers or headphones. Built-in functions allow you to record and playback audio...
Index: DFR-07437
Index: DFR-07437
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Regular price €5.15 Price €5.15

Sound detector - digital + wire - Iduino SE036

Iduino module with digital sound sensor. The detection is carried out using the electret microphone. It works with a supply voltage from 3.3 V to 5 V. T his enables the...
Index: OST-14302
Index: OST-14302
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Regular price €2.63 Price €2.63

Microphon Natec Giraffe 2 - black

The Giraffe 2 multidirectional microphone from Natec in black . It is powered by a 1.8 m long cable terminated with a 3.5 mm mini jack. It is designed for gamers, streamers,...
Index: IMP-16552
Index: IMP-16552
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Regular price €7.18 Price €7.18

Grove - Speech Recognizer v1.0 - ISD9160

Voice recognition module based on Nuvoton ISD9160 with built-in microphone. The board is equipped with a Grove connector for easy connection with a Base Shield cap. It...
Index: SEE-15327
Index: SEE-15327
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Regular price €19.13 Price €19.13

Matrix Voice ESP - voice recognition module + 18 LED RGBW - WiFi, Bluetooth - HAT for Raspberry Pi

Voice recognition module as an overlay for Raspberry Pi. On the board there are 7 MEMS microphones and 18 RGBW LED s. The overlay is based on FPGA Xilinx Spartan 6 with 64...
Index: FAR-15910
Index: FAR-15910
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Regular price €75.38 Price €75.38

How a microphone is built? Different devices

The current microphone market is essentially dominated by three types of design. The three variants of microphones differ from each other in terms of acoustic parameters, connection method, as well as dimensions and price.

First of all, we can distinguish electret microphones. The construction of the microphone makes the sound processing based on the change of the capacitance of a special capacitor in which one of the facings is a moving diaphragm. Air vibrations cause the diaphragm to vibrate, which translates into changes in capacity in time to the sound wave. The contact (carbon) microphone, commonly used in the last century, has completely given way to modern electret microphones. Currently, such devices are no longer used.

An interesting alternative to devices with a membrane are piezoelectric microphones. These are products that use the piezoelectric phenomenon. Vibrations of the air cause slight deformation of the diaphragm, which in turn generates a small alternating voltage to the rhythm of the sound wave.

Small but smart – MEMS microphones

Another type of microphone that is gaining more and more popularity, especially among users of mobile devices, are MEMS microphones. MEMS systems are miniaturized electro-mechanical elements. In MEMS microphones, both the electronic and mechanical parts are made of a single semiconductor block. This solution provides incredibly small dimensions of the device.

The very good quality of the sound recorded by such microphones is noticeable. What is more, this kind of recording devices are available both as analog output microphones and with a dedicated digital interface. The latter module makes it much easier to connect the microphone to more advanced microcontrollers. Due to such parameters, MEMS microphones are commonly used as additional sound recording modules compatible with programmable electronics (Arduino, Raspberry Pi etc.).

Microphones, sound detectors and more

If you do not want to record the full range of sound, but only detect its presence and intensity level (you can do it for example with an Arduino), it is worth getting one of the sound detection modules. If sound quality matters, then a USB microphone should be used as a microphone for recording music, speech or ambient sounds. Motorists can use one of the electret microphones available from us as a car microphone. There are many possibilities.

You can conveniently purchase all of the sound modules, microphones and related devices presented above. Check out the other categories of the Botland store to choose other electronic modules, programmable electronics, motherboards and layers, as well as other computer components and input / output devices for devices. We invite you to place orders - you will surely be satisfied with Botland.