The Atomic Echo Base is a voice recognition base designed specifically for the M5 Atom series. It uses an integrated solution with the ES8311 mono audio decoder, MEMS microphone, and NS4150B power amplifier. The ES8311 offers 24-bit audio resolution and a sample rate of 16KHz to 64KHz, supporting I2S communication and high-fidelity audio processing. The MEMS microphone with high signal-to-noise ratio (SNR) is suitable for automatic speech recognition, while the built-in speaker ensures efficient audio output. The device supports full-duplex communication, enabling simultaneous voice transmission and reception, enhancing interactive features such as speech recognition, wake-up, and audio playback. It is ideal for applications in smart homes and education. Applications: AI voice recognition interactive systems, Smart home control. Compatible with the for M5 Atom series Voice recognition Mono audio codec MEMS microphone Class-D amplifier Speaker Development platform: for UIFlow 1.0 for UIFlow 2.0 for Arduino IDE The printing/appearance may vary from batch to batch, but it will not affect the use; the actual product may have color difference due to different light or display. Colour:Black Material:plastic Package Contents: 1 x Atomic Echo Base Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.