ESP8266 I2S

1 I2S Data Input

I2SI_DATA --- GPIO12 (P10)
I2SI_BCK --- GPIO13 (P12)
I2SI_WS --- GPIO14 (P9)

2 I2S Data Output

I2SO_BCK --- GPIO15 (P14) --- Noduino_Falcon D3
I2SO_WS --- GPIO2 (P13) --- Noduino_Falcon D2
I2SO_DATA --- GPIO3 (P25) --- U0RX  --- Noduino_Falcon D0