Description
It operates via simple UART serial commands or standalone push-buttons, with an integrated 3W mono amplifier.
Key Features and Specifications:
Audio Support: MP3, WAV, WMA formats with sampling rates of 8/11.025/12/16/22.05/24/32/44.1/48 kHz.
Storage: microSD card (TF card) up to 32GB.
Control Modes: Key, ADKEY (push buttons), and UART Serial (Arduino/ESP32).
Audio Output: 24-bit DAC, 85dB SNR, 3W mono amplifier (can drive speakers directly).
File Structure: Supports up to 100 folders, each with up to 255 tracks (named 001.mp3 – 255.mp3).
Operating Voltage: 3.2V ~ 5V DC.
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