Specifications:

Product Name: ESP32-Audio-Kit

Developed by: Ai-Thinker

Module: ESP32-A1S

Audio Codec Chip: ES8388

Audio Peripherals: TF card, headphone output, two microphone inputs, two speaker outputs

Supported Audio Formats: MP3, AAC, FLAC, WAV, OGG, AMR, TS, EQ, Downmixer, Sonic, ALC

Audio Sources: HTTP, HLS (HTTP Live Streaming), SPIFFS, SDCARD, A2DP source, A2DP receiver, HFP

Integrated Media Services: DLNA, VoIP, online and offline voice recognition, Alexa, DuerOS

Module Versions: ESP32-A1S-V1.3 (legacy), ESP32-A1S-V2.3 (current)

Compatibility: V2.3 interface compatible with V1.3

Audio Output Configuration:

Right channel: HPOUTR (positive) and SPORN (negative);

Left channel: HPOUTL (positive) and SPOLN (negative)

Features:

1. Comprehensive Audio Support: The ESP32-Audio-Kit supports a wide range of audio formats including MP3, AAC, FLAC, WAV, OGG, AMR, and more. This makes it highly versatile for developers working on different audio applications, be it music players, recorders, or other audio-related projects.

2. Multiple Audio Sources: This development board can play music from various sources such as HTTP, HLS (HTTP Live Streaming), SPIFFS, SDCARD, A2DP source, A2DP receiver, and HFP, offering extensive options for audio input and playback. Integrated media services like DLNA and VoIP further expand its functionality, making it a robust choice for network broadcasts and voice recognition applications.

3. Convenient Development Platform: Designed with developers in mind, the ESP32-Audio-Kit includes importantl audio peripherals such as TF card support, headphone outputs, multiple microphone inputs, and speaker outputs. This enables quick and flexible development and testing of audio applications, reducing development time and effort.

4. Updated Audio Codec: The current version (V2.3) of the ESP32-Audio-Kit features the ES8388 audio codec chip, replacing the previous AC101 version. This update not only addresses supply chain constraints but also ensures compatibility with the legacy interface of the V1.3 version, making it easy for developers to transition between versions.

5. Flexible Configuration: Both MIC1 and MIC2 can be used as line-in inputs, and their configurations can be adjusted via software. This flexibility allows developers to optimize their audio setups according to specific project needs, enhancing the adaptability and utility of the development board.

Package Included:

1 x ESP32-Audio-Kit