ESP32-LyraT is an open-source development board for Espressif Systems’ Audio Development Framework (ADF). It is designed for smart speakers and smart-home applications. The dev board consists of the ESP32-WROVER-B module, a Micro SD card, expansion interfaces, touch buttons and several function keys.
With a great variety of voice commands, interactive voice functions and a rich peripheral set, ESP32-LyraT allows the fast development of applications relating to consumer electronics, wearables, smart home and industrial automation.
It facilitates the quick and easy development of dual-mode (Bluetooth + Wi-Fi) audio solutions , also supporting one-key Wi-Fi configuration, a wake-up button, voice wake-up, voice recognition, cloud platform access, and an audio player.
| • 支持多种主流压缩和无损音频格式，包括 M4A、AAC、FLAC、OGG、OPUS、MP3 等。 |
| • 支持一键配置和待机唤醒。 |
| • 支持 SoftAP 和 Station 模式。 |
| • 支持各类无线标准：Wi-Fi 802.11b/g/n、经典蓝牙和 Bluetooth LE。 |
| • 支持 Wi-Fi、BT-audio、DLNA、Line-in 等音源输入。 |
| • 提供业内领先的 Bluetooth LE 配网和智能配网（如微信配网）等各种支持。 |
| • 双麦克拾音：适用于近场以及远场语音识别应用的开发。 |
| • 支持丰富的外设，助力实现产品差异化特性。 |
| • Various mainstream, both lossy and lossless, compressed audio formats, including M4A, AAC, FLAC, OGG, OPUS, MP3, etc. |
| • One-key configuration and wake-up from the standby mode. |
| • SoftAP and Station mode. |
| • Various wireless protocols：Wi-Fi 802.11b/g/n, Classic BT and Bluetooth LE. |
| • A series of audio inputs, including Wi-Fi, BT-audio, DLNA, Line-in, etc. |
| • Bluetooth LE network configuration, and smart network configuration with apps, such as WeChat. |
| • Two microphones for the development of near-field and far-field voice recognition applications. |
| • Peripherals for differentiated demands. |
