Sipeed Microphone

Sipeed microphone module
Description Physical image Description
Single microphone module

Click to buy microphone module 		1. Microphone IC: MSM261S4030H0

2. Interface: 6P 2.54mm cable interface

3. Power supply voltage: 3.3V@5mA

4. Module size: 15.2mm*9.1mm

4. Working temperature: -30℃~80℃

Single microphone module

Click to buy microphone module 		1. Microphone IC: 6 MSM261S4030H0

2. Interface: 10Pfpc / 10 pin 2.54mm cable interface

3. Power supply voltage: 5V@mA

4. Module size: 15.2mm*9.1mm

4. Working temperature: -30℃~80℃

Sipeed Mic-Array

Mic-Array microphone array, as of MaixPy version MicroPython v0.5.0-218-g8053a70, the pin io on the microphone array hardware supports custom configuration

No. MaixGo (default configuration IO) Description
MIC_D0 23 ---
MIC_D1 22 ---
MIC_D2 21 ---
MIC_D3 20 ---
MIC_WS 19 ---
MIC_SCLK 18 ---
--- --- ---
LED_DAT 24 SK9822 DAT
LED_CLK 25 SK9822 CLK

Routine

Sound source localization

from Maix import MIC_ARRAY as mic
import lcd

lcd.init()
mic.init()#Default configuration
# mic.init(i2s_d0=23, i2s_d1=22, i2s_d2=21, i2s_d3=20, i2s_ws=19, i2s_sclk=18, sk9822_dat=24, sk9822_clk=25)#Customizable configuration IO

while True:
    imga = mic.get_map() # Get sound source distribution image
    b = mic.get_dir(imga) # Calculate and get the sound source direction
    a = mic.set_led(b,(0,0,255))# Configure RGB LED color value
    imgb = imga.resize(160,160)
    imgc = imgb.to_rainbow(1) # Convert image to rainbow image
    a = lcd.display(imgc)
mic.deinit()

effect: