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Welcome to the ESP32-A2DP wiki. The README gets you started; the pages here cover the individual topics in more detail. Questions that come up often are answered in the FAQ.

• Supported Hardware: which ESP32 variants support A2DP
• Working with PlatformIO
• ESP-IDF as a Component
• Program Memory & Partitions: what to do if the sketch is too big

Use the ESP32 as a Bluetooth speaker that receives audio, e.g. from your phone.

• Overview & Examples: output, pins, data callbacks
• Audio Output & DACs: I2S, the internal DAC and wiring of popular DAC boards
• Sample Rate
• Volume Control
• AVRC: Controlling your Phone: play, pause, next, volume...
• Metadata & Notifications: title, artist, playback status
• Performance Optimizations: tasks, buffers and RAM

Use the ESP32 to send audio to a Bluetooth speaker or headphones.

• Overview & Examples
• Providing Audio Data: callbacks, frames and Streams
• Device Discovery & Selection: which device to connect to

• Auto Reconnect
• Custom Codecs: AAC and Custom Decoders/Encoders
• Access Protection / Authentication
• WiFi and Bluetooth Coexistence

• Design Overview: read this before you extend the library
• Legacy I2S API: for Arduino ESP32 core 2.0.x

• Frequently Asked Questions
• Reporting Bugs
• Change History and Releases