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    INMP441 Omnidirectional Microphone Module Original Robotics Bangladesh
    • INMP441 Omnidirectional Microphone Module Original Robotics Bangladesh
    • INMP441 Omnidirectional Microphone Module Robotics Bangladesh

    INMP441 Omnidirectional Microphone Module Original

    RBD-3973

    • Digital I2S interface with high precision 24-bit data
    • High signal to noise ratio is 61 dBA
    • High sensitivity – 26 dBFS
    • Stable frequency response from 60 Hz to 15 kHz
    • Low power consumption: low current consumption 1.4 mA
    • High PSR: -75 dBFS
    BDT 590
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    Description

    INMP441 MEMS High Precision Omnidirectional Microphone Module I2S

    The INMP441 is a high-performance, low-power, digital output, omnidirectional MEMS microphone with a bottom port. The complete INMP441 solution consists of a MEMS sensor, signal conditioning, analog to digital converter, anti-aliasing filter, power management, and industry-standard 24-bit I2S interface.

    The I2S interface allows the INMP441 to be directly connected to digital processors such as DSPs and microcontrollers without the need for an audio codec for use in the system. The INMP441 has a high signal-to-noise ratio and is an excellent choice for near-field applications. The INMP441 has a flat wideband frequency response that results in a high definition of natural sound. Featured By RoboticsBD.

    Product Images are shown for illustrative purposes only and may differ from the actual product.

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    Interface definition
    1. SCK: Serial data clock for I2S interface
    2. WS: Serial data word selection for I2S interface
    3. L/R: Left/Right channel selection.
    4. When set to low, the microphone outputs a signal on the left channel of the I2S frame.
    5. When set to high level, the microphone outputs signals on the right channel
    6. SD: Serial data output of the I2S interface.
    7. VCC: Input power, 1.8V to 3.3V.
    8. GND: power ground

    NMP441 connection with ESP32
    1. SCK -GPIO14
    2. SD – GPIO32
    3. WS – GPIO15
    4. L/R – GND
    5. GND – GND
    6. VDD – VDD3.3

    Features:

    1. Digital I2S interface with high precision 24-bit data
    2. High signal to noise ratio is 61 dBA
    3. High sensitivity – 26 dBFS
    4. Stable frequency response from 60 Hz to 15 kHz
    5. Low power consumption: low current consumption 1.4 mA
    6. High PSR: -75 dBFS

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    General Specification
    DirectionalityOmni
    Sensitivity1 kHz, 94 dB SPL (−29min −26typ −23max) dBFS
    Supply Voltage (VDD)1.62 - 3.63 V
    Supply Current (IS) VDD = 1.8 V

    Normal Mode 1.4 1.6 mA

    Standby 0.8 mA

    Power Down 2 mA

    Supply Current (IS) VDD = 3.3 V

    Normal Mode 2.2 2.5 mA

    Standby 0.8 mA

    Power Down 4.5 µA

    Shipment Weight0.005 kg
    Shipment Dimensions3 × 3 × 3 cm

    Please allow 5% measuring deviation due to manual measurement.

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    Documentation:

    1. Datasheet

    Package Included:

    1 x INMP441 MEMS High Precision Omnidirectional Microphone Module I2S

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    Product Details
    RBD-3973
    17 Items

    Specific References

    EAN13
    3973
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    More FM Radio Transmitter Module Wireless Microphone Surveillance Frequency 88-108MHz
    In-Stock
    In stock: 7
    High Sensitive Microphone Sound Sensor Detection Module Robotics Bangladesh

    Reference: RBD-1022

    High Sensitive Microphone Sound Sensor Detection Module

    (0)
    Main chip: LM393, Electret condenser microphone Working voltage: DC 3.3-5V Induction distance is 0.5M Signal output Indication Single channel signal output The output effective signal is low level.
    BDT 90
    BDT 90 tax incl.
    BDT 90 tax excl.
    BDT 90 tax excl.
    BDT 90 tax incl.
    BDT 90 tax incl.
    BDT 0 Tax
    BDT 90 tax excl.
    BDT 90 tax excl.
    BDT 0 Tax
    BDT 90 tax incl.
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    In stock: 194
    HLK-V20 Speech Recognition Module Human Speech Voice Control Module Robotics Bangladesh HLK-V20 Speech Recognition Module Human Speech Voice Control Module Robotics Bangladesh

    Reference: RBD-1772

    Brand: Hi-Link

    HLK-V20 Speech Recognition Module Human Speech Voice Control Module

    (0)
    Small size package Local voice Customized voice wake-up/command words Universal Serial Port Protocol Support Chinese and English The number of command words reaches 150
    BDT 1,550
    BDT 1,550 tax incl.
    BDT 1,550 tax excl.
    BDT 1,550 tax excl.
    BDT 1,550 tax incl.
    BDT 1,550 tax incl.
    BDT 0 Tax
    BDT 1,550 tax excl.
    BDT 1,550 tax excl.
    BDT 0 Tax
    BDT 1,550 tax incl.
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    In-Stock
    In stock: 4
    ISD1820 Voice Recording Module With Mic and Loudspeaker Robotics Bangladesh

    Reference: RBD-0690

    ISD1820 S16 Voice Recording Module With Mic and Loudspeaker

    (0)
    The main chip: ISD1820. S16 Operating Voltage: DC 3V-5V. Loudspeaker: 8Ω, 0.5W. An easy to use 10 seconds of voice recording. High-quality, natural voice restored. Can be used as a propaganda module. With looping, jog playback, single-pass play function.
    BDT 280
    BDT 280 tax incl.
    BDT 280 tax excl.
    BDT 280 tax excl.
    BDT 280 tax incl.
    BDT 280 tax incl.
    BDT 0 Tax
    BDT 280 tax excl.
    BDT 280 tax excl.
    BDT 0 Tax
    BDT 280 tax incl.
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    In-Stock
    In stock: 24
    Voice Recognition Module Kit V3.1 Elechouse Robotics Bangladesh Voice Recognition Module Kit V3.1 Elechouse Robotics Bangladesh

    Reference: RBD-550

    Voice Recognition Module Kit V3.1 Elechouse

    (0)
    Supply Voltage: 4.5 – 5.5 V. Current : <40 mA. Digital Interface : 5V TTL level for UART interface and GPIO. Support maximum 80 voice commands, with each voice 1500ms (one or two words speaking). Maximum 7 voice commands effective at same time. Arduino library is supplied. User-control General Pin Output. RoboticsBD
    BDT 2,780
    BDT 2,780 tax incl.
    BDT 2,780 tax excl.
    BDT 2,780 tax excl.
    BDT 2,780 tax incl.
    BDT 2,780 tax incl.
    BDT 0 Tax
    BDT 2,780 tax excl.
    BDT 2,780 tax excl.
    BDT 0 Tax
    BDT 2,780 tax incl.
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    In stock: 12
    XFS5152CE Speech Synthesis Module TTS Voice Module Robotics Bangladesh XFS5152CE Speech Synthesis Module TTS Voice Module Robotics Bangladesh

    Reference: RBD-0990

    XFS5152CE Speech Synthesis Module TTS Voice Module

    (0)
    Support any Chinese text, English text synthesis, and support for English mixed Support voice codec function, the user can use the chip for direct recording and playback Support speech recognition function, can support the recognition of 30 command words.
    BDT 2,100
    BDT 2,100 tax incl.
    BDT 2,100 tax excl.
    BDT 2,100 tax excl.
    BDT 2,100 tax incl.
    BDT 2,100 tax incl.
    BDT 0 Tax
    BDT 2,100 tax excl.
    BDT 2,100 tax excl.
    BDT 0 Tax
    BDT 2,100 tax incl.
    More XFS5152CE Speech Synthesis Module TTS Voice Module
    In-Stock
    In stock: 6

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