Mini MP3 Player Module Board MP3 Audio Voice Decode Board Supporting TF Card U-Disk IO/Serial Port/AD DF Player for Arduino

Hign-concerned Chemical : None Package : SOP

Dissipation Power : standard Supply Voltage : DC Application : VCD/DVD Player Type : Module Origin : China Condition : New Operating Temperature : standard Feature 1 : led module Feature 2 : dfplayer mini Feature 3 : mp3 module Feature 4 : TF Card U Disk Mini MP3 DFPlayer module Feature 5 : Audio Voice Module Board Feature 6 : For Arduino DFPlay Wholesale Player Feature 7 : Mini MP3 Player Module Board Feature 8 : Audio Voice Decode Board

Features: 100% Brand new and high quality!! This is a compact and inexpensive MP3 module can be connected directly to the speaker. Module with battery power supply, speaker, keypad can be used alone, or through the serial port control, as for Arduino UNO or any microcontroller with a serial port module. The module itself perfectly integrated hardware decode MP3, WAV, WMA's. While the software supports TF card driver to support FAT16, FAT32 file system. Can be done by simple serial command plays the specified music, as well as how to play music and other functions, without tedious low-level, easy to use, stable and reliable. Specifications: 1. supports sampling rates (KHz): 8/11.025/12/16/22.05/24/32/44.1/48 2. 24-bit DAC output, dynamic range support: 90dB, SNR support: 85dB 3. fully supports FAT16, FAT32 file system, maximum support 32G TF card, support U disk to 32G, 64M bytes for NORFLASH 4. a variety of control modes are available. IO control mode, serial mode, AD key control mode 5. the broadcast language spots feature, you can pause the background music being played. Advertising finished playing back background sound to continue playing 6. the audio data is sorted by folder, supports up to 100 folders, folders can assign every 255 Tracks 7. 30 level adjustable volume, adjustable EQ 6 Application 1, car navigation voice broadcast 2, road transport inspectors, toll voice prompts 3, train station, bus station voice prompts security check 4, electric power, telecommunications, financial operating room voice prompts 5, the vehicle into or out of the channel to verify the voice prompts 6, border control channel voice prompts ** 7, multi-channel voice alarm or voice guidance equipment operation 8, electric sightseeing bus safety with voice notices 9, electrical and mechanical equipment failure alarm 10, fire alarm voice prompts 11, automatic broadcasting equipment, regular broadcast

The line layout is compact and regular, with good electrical insulation and mechanical stability, and can maintain stable performance under different temperature and humidity environments to ensure accuracy and reliability.

In circuit design, carefully planned lines are like precision transportation networks, and lines of different widths and spacings undertake different currents and signals transmission tasks respectively. The key signal lines are impedance matching processing, which greatly reduces signal reflection and attenuation and ensures the stable transmission of high-frequency signals.

All kinds of electronic components are soldered on the circuit board, and the solder joints are full, round, and firm and reliable. Core components like chips are perfectly connected to the circuit board through fine packaging processes to achieve high-speed data processing and interaction.

This circuit board has a wide range of responses in many fields. Whether in the industrial control field that requires extremely high stability or consumer electronics field that pursues extreme performance, it can provide solid guarantees for the stable operation of the equipment with its excellent design and reliable performance, and help various electronic devices play a powerful role.