- ESP32-DevKitC ESP32 : 秋月電子
- MP3 Decoder board using VS1033:Switch Science (End of sale)
Options choose step:
- make menuconfig.
- enter menuconfig "Component config", choose "Bluetooth"
- enter menu Bluetooth, choose "Classic Bluetooth" and do not choose "Release DRAM from Classic BT controller"
- choose your options.
After the program started, other bluetooth devices such as smart phones can discover this device named "ESP_SPEAKER", and after connection is established, audio data can be transmitted and sound.