WT2000B03 is a kind of MP3 module, with folder classification, specified file-name play and specified index sequence play. According file name to record in specified file or according index sequence to record and play. Support SPI-Flash, SD card and U disk.
Features:
☆Support WAV, WMA, MP3 format.
☆SPI-FLASH, micro SD card, U disk as storage, maximum support 32G micro SD card and 32G U disk.
☆Built-in memory can store 1999 pieces of voice.
☆Support combination play in the same storage.
☆Support inter-cut in different storage.
☆Connect with computer, through USB interface to renewal micro SD card audio.
☆Support USB sound card.
☆Support UART communication, with standard interface protocol.
☆Inner 1W amplifier, direct drive 8ohm/1w speaker, with 32 level volume.
☆DC 5V power supply.
Specification:
Pin Description:
Note:
Power output terminal VDD33 is not allowed to supply power to external device, so as not to effect module working, only for low power consumption device like pull-up resistor.
Application:
☆ Vehicle navigation voice broadcast
☆ Transportion inspection, toll station voice prompt;
☆ Railway station, bus station security check voice prompt;
☆ Electric power, communication, financial business hall voice prompt;
☆ Vehicle access way verification voice prompt;
☆ Public security frontier inspection channel voice prompt;
☆ Multi-channel voice alarm or voice guidance of equipment operating;
☆ Electric sightseeing car safety driving voice warning;
☆ Mechanical and electrical equipment fault automatic alarm;
☆ Fire voice alarm
☆ Automatic broadcasting equipment, timing broadcast;
☆ Early education machines and toys for children;
☆ Smart home appliances;