I2S Sound Tutorial for ESP32

In this tutorial you learn the fundamentals of the I2S communication that is used to transfer digital sound signals and why you should use an ESP32 microcontroller for your I2S projects.

After your learn the functionality of I2S we create 3 projects where you can apply what you have learned.

If you are browsing through the specification sheet for an ESP32 device, you might run across the term “I2S”. At a glance, you may just think that it’s another form of I2C, and the “I2” does indeed stand for the same thing, “Inter-Integrated Circuit”. But that’s where the similarity ends.

I2S is a protocol for transferring digital audio. The audio quality can range from telephone-grade to ultra-high fidelity, and you can have one or two channels.

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