ESP32-LyraTD-MSC is the newest IoT audio processing board from Espressif which supports Baidu DuerOS and Amazon Voice Service (Alexa).
The board has these features:
- ESP32-WROOVER
- DSP voice processor
- micro SD
- JTAG port
- USB debug
- USB power supply connector
- two speakers connectors
- LiPo battery management
- 3 microphones
The documentation is on Espressif web site.
We got limited quantity from the very first manufactured lot.
olimex 
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