Crumbuino-Nano corresponds to our popular Crumb328 V2.3 module with the ATmega328P mikrocontroller and CP2102 USB UART converter. As Crumbuino-Nano version the module comes with Arduino bootloader ...
There are different ESP32 Audio boards available that can be programmed with the Espressif ADF Framework. The ADF Framework contains an abstraction layer to support different codec audio chips (ES8388 ...