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pschatzmann edited this page Oct 3, 2026 · 7 revisions

Does it work with my processor? Only the ESP32 variants with Classic Bluetooth: see Supported Hardware.
The sketch is too big. Select a bigger partition scheme: see Program Memory & Partitions.
Why is there no example for a web radio? WiFi and A2DP can't be used together reliably: see WiFi and Bluetooth Coexistence.
I don't hear anything / the pins don't match my DAC. The default pins of the AudioTools I2S output differ from the legacy API: see Audio Output & DACs.
The sound is distorted or has dropouts. Check the Sample Rate and the Performance Optimizations.
Changing the volume on my phone has no effect on get_volume(). Your phone might not support volume change notifications: see AVRC.
How can I support AAC? See Custom Codecs.
How can I protect my device with a password? See Access Protection.
Some feature is not working: how can I analyze what's going on? Activate the logging.
How do I adapt or extend the functionality? Read the Design Overview.
I found a bug. Please read Reporting Bugs first.

Class Documentation · Examples · Issues · Discussions · AudioTools