Espressif Systems has just announced another ESP32 board, namely ESP32-Vaquita-DSPG development kit together with an SDK that supports AVS (Alexa Voice Service) integration with AWS IoT cloud connectivity.
- Wireless Module – ESP32-WROVER-E with ESP32-D0WD-V3 WiFi + Bluetooth SoC , 64 Mbit SPI flash and 64 Mbit PSRAM
- DSP – DSPG DBMD5P Audio SoC with far-field voice recognition using the company’s HDClear algorithms.
- Power Amplifier for external speakers up to 8W
- Codec – ES8311 I2S audio codec
- Speaker connector
- 3.5mm audio jack
- 2-mic array on MIC board
- Debugging – USB-UART port
- Mainboard – Power LED, boot & reset buttons
- MIC board – 5x RGB LEDs, 2x function buttons
- Power Supply
- 5V input via USB Power Port
- 5V-to-3.3V regulator.
ESP32-Vaquita-DSPG board needs an external 4-ohm speaker or a pair of headphones for audio output, two USB cables for power and debugging, and a computer running Windows, Linux, or macOS for development.
You’ll also need Espressif’s Voice Assistant SDK working with Amazon Alexa and AWS IoT, but also Google Assistant and DialogFlow. The SDK provides code samples that include the full AVS for AWS IoT SDK functionality including music service support, Wi-Fi configuration, and Login-with-Amazon functionality through open-source phone apps for iOS and Android.
You can get more hardware information including downloading the schematics, PCB layout, and BoM), and as well as get started by following the instructions in the user guide. The product page may also have further details.
ESP32-Vaquita-DSPG development kit appears to only be available on Mouser for now where it is sold for $45.