features: The microphone array module is designed based on MSM261S4030H0 digital microphone chip.The module has high voice recognition sensitivity and signal to noise ratio, and can be applied to sound source location, voice recognition beamforming and other demand occasions.Specifications:MEMS microphone: 7 MSM261S4030H0 arraysSound pressure level: 140 db SPLSensitivity: - 26 (dB, dBFS@1kHz1Pa )Signal to noise ratio: 57dB (20 kHz bandwidth, A-weightedTHD Less than 1%(100db SPL @1 KHZ S=, Rload Greater than 2kClock frequency: 1.0-4.0Mhz (normal mode); 150-800 khz (low consumption modeLight: 12 SK9822LEDs form a ring LED array, multiple LEDs are cascaded through signal lines, 8Bit (256 level) adjustable color, 5Bit (32 level) brightness adjustmentConnector: support 2 * 5P 2.54mm terminal and 10P 0.5mm FPC connectorSupply voltage: 5V@800mASize: 78.1 x 88.8mmSoftware development:1. Maix Py provides the interface to operate the binocular camera (easy to use through microphon2. Development environment: Maixpy IDE, Platformio IDE, IDE, etc3. Programming language: C, C++, MicropythonMaterial: PCBcolour: BlackPackage Contents:1 x Microphone array1 x Flexible flat cable1 x line4 x screw+nutOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.