The I2S standard is intended for audio streams. Some small WiFi modules support it. The ESP8266 does not, even though since the chip itself has a hardware SPI transceiver, custom firmware may be able to use it for audio (I2S is similar to SPI).
The I2S standard is intended for audio streams. Some small WiFi modules support it. The ESP8266 does not, even though since the chip itself has a hardware SPI transceiver, custom firmware may be able to use it for audio (I2S is similar to SPI).