Product Description
WT2000B02 is a MP3 voice record playback module, with the functions of folder classify, specified file name play and specified index sequence play. According to file name to record in specified folder or according to the index sequence to record and play, and specify any file to delete in the specified folder.
Features
1. Support WAV, WMA, MP3 format.
2. Support 48KHz sample rate, 32-128Kbps bit rate MP3 record format.
3. Built in memory or plug-in U disk as storage, support 32G micro SD card and 32G U disk.
4. Three recording methods, microphone recording, line-in recording and dural track recording.
5. Support 22 byte file name recording.
6. Recording duration time up to 3 months.
7. Adopt FAT and FAT 32 file system.
8. Through USB interface, update the audio files of inner memory.
9. Support USB sound card function.
10. Use UART serial port communication.
11. Built in 1W amplifier, directly drive 8ohm/1W speaker, with 32 selective volume ranges.
12. Power supply: DC 5V.
13. Initialization response time: 3s.
Note: the module without key operation mode, match use with MCU.
Specification:
Audio Format: Support 8K-44.1K sample rate, 8~320Kbps MP3 audio file
Support 8K-44.1K sample rate WAV audio file
Support 8K-44.1K sample rate WMA audio file
Storage capacity: Max support 32GB micro SD card
Max support 32GB USB flash drive
USB Interface: Full speed 2.0
Power Supply: DC3.3~5V
Rated Current: 20~250mA(related with load)
IO Port Level: 3.3V TTL Level
Size: 21.mm*18mm*4mm
Working Temperature: -40~85 degree
Humidity: 5%~95%
Pin Description:
Usage Occasions: