Product instruction   

This module is a simple MP3 player device based on high quality MP3 audiochip MH3028M. It can support MP3 and WAV file formats with sampling frequencies ranging from 8kHz to 48kHz.On-board TF card slot, so you caninsert a micro SD card that stores audio files. MCU can send commands tomodule through UART port to control MP3 playback status,such as switchingsongs, changing volume and playback mode.You can also debug the modulefrom USB to UART module. It is compatible with Arduino/AVR/ARM/PIC.

Product characteristics 

Supported sampling frequency (kHz):8/11.025/12/16/22.05/24/32/44.1/48

support file format: MP3/WAV

Supporting Micro SD Card，Micro SDHC CardLevel 30 adjustable volume

UART TTL Serial Port Control Play Mode, Baud Rate 9600 BPSThe power supply can be 3.2-5.2 VDC

The control logic interface can be 3.3V/5V TTL

Compatible with Arduino UNOILeonardo/Mega2560/DUE 

Product applications 

Voice Broadcasting of Vehicle Navigation

Highway transportation inspection and toll station voice prompt

Voice prompts for safety inspection of railway stations and bus stations

Voice prompt of electric power. communication and financial huinoce holVerify the voice prompt in and out of the vehicle passage

Voice prompt of frontier inspection channel of public securityVoice notice for safe driving of electric sightseeing car

Automatic alarm of mechanical and electrical equipment failureFire sound alarm prompt

Product parameters