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Connecting Microphone Array and Microcontroller

A project log for Portable Sound Visualization AR Device

A portable AR device that superimposes an image showing the location of a sound source on an image captured by a camera.

airpocketAIRPOCKET 05/09/2023 at 06:240 Comments

We will connect MaixBit and the microphone array. The correspondence between the pins to be connected and the GPIO is shown in the following table.

MaixBitMic Array
PIN23MIC_D0
PIN22
MIC_D1
PIN21MIC_D2
PIN20MIC_D3
PIN19MIC_WS
PIN18MIC_BCK
PIN17LED_CK
PIN15LED_DA
3V3VIN
GNDGND

We connected them with a jumper cable, and it looks like the picture below.

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