{"id":8554235101337,"title":"HiLetgo 3pcs INMP441 Omnidirectional Microphone Module High Precision 24 Bit Data I2S Interface Digital Output High Sensitivity","handle":"hiletgo-3pcs-inmp441-omnidirectional-microphone-module-high-precision-24-bit-data-i2s-interface-digital-output-high-sensitivity","description":"\u003ch3\u003eHiLetgo 3pcs INMP441 Omnidirectional Microphone Module High Precision 24 Bit Data I2S Interface Digital Output High Sensitivity\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eDescription: Digital I2S interface with high precision 24-bit data High signal\r\nto noise ratio is 61 dBA High sensitivity - 26 dBFS Stable frequency response\r\nfrom 60 Hz to 15 kHz Low power consumption: low current consumption 1.4 mA\r\nHigh PSR: -75 dBFS Interfaces: SCK: Serial data clock for I2S interface WS:\r\nSerial data word selection for I2S interface L\/R: Left\/Right channel\r\nselection. When set to low, the microphone outputs a signal on the left\r\nchannel of the I2S frame. When set to high level, the microphone outputs\r\nsignals on the right channel SD: Serial data output of the I2S interface. VCC:\r\nInput power, 1.8V to 3.3V. GND: power ground How to connect to ESP32 with I2S:\r\nConnect to ESP32: INMP441 ESP32 SCK \u0026gt;\u0026gt; GPIO14 SD \u0026gt;\u0026gt; GPIO32 WS \u0026gt;\u0026gt; GPIO15 L\/R \u0026gt;\u0026gt;\r\nGND GND \u0026gt;\u0026gt; GND VDD \u0026gt;\u0026gt; VDD3.3 Package included: 3 INMP441 Omnidirectional\r\nMicrophone Module\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eINMP441 Omnidirectional Microphone Module\u003c\/li\u003e\r\n \u003cli\u003eDigital I2S interface with high precision 24-bit data\u003c\/li\u003e\r\n \u003cli\u003eHigh signal to noise ratio is 61 dBA; High sensitivity - 26 dBFS\u003c\/li\u003e\r\n \u003cli\u003eYou could connect freely to EPS32 with I2S interface\u003c\/li\u003e\r\n \u003c\/ul\u003e","published_at":"2025-10-23T18:41:45+11:00","created_at":"2025-10-23T18:41:42+11:00","vendor":"HiLetgo","type":"Audio 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3pcs INMP441 Omnidirectional Microphone Module High Precision 24 Bit Data I2S Interface Digital Output High Sensitivity\u003c\/h3\u003e\r\n\u003cp id=\"b\"\u003eDescription: Digital I2S interface with high precision 24-bit data High signal\r\nto noise ratio is 61 dBA High sensitivity - 26 dBFS Stable frequency response\r\nfrom 60 Hz to 15 kHz Low power consumption: low current consumption 1.4 mA\r\nHigh PSR: -75 dBFS Interfaces: SCK: Serial data clock for I2S interface WS:\r\nSerial data word selection for I2S interface L\/R: Left\/Right channel\r\nselection. When set to low, the microphone outputs a signal on the left\r\nchannel of the I2S frame. When set to high level, the microphone outputs\r\nsignals on the right channel SD: Serial data output of the I2S interface. VCC:\r\nInput power, 1.8V to 3.3V. GND: power ground How to connect to ESP32 with I2S:\r\nConnect to ESP32: INMP441 ESP32 SCK \u0026gt;\u0026gt; GPIO14 SD \u0026gt;\u0026gt; GPIO32 WS \u0026gt;\u0026gt; GPIO15 L\/R \u0026gt;\u0026gt;\r\nGND GND \u0026gt;\u0026gt; GND VDD \u0026gt;\u0026gt; VDD3.3 Package included: 3 INMP441 Omnidirectional\r\nMicrophone Module\u003c\/p\u003e \r\n\r\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\r\n \u003cul class=\"a\"\u003e\r\n \u003cli\u003eINMP441 Omnidirectional Microphone Module\u003c\/li\u003e\r\n \u003cli\u003eDigital I2S interface with high precision 24-bit data\u003c\/li\u003e\r\n \u003cli\u003eHigh signal to noise ratio is 61 dBA; High sensitivity - 26 dBFS\u003c\/li\u003e\r\n \u003cli\u003eYou could connect freely to EPS32 with I2S interface\u003c\/li\u003e\r\n \u003c\/ul\u003e"}