โมดูลเล่นเสียง MP3 WAV ความจุ 4MB เป็น SD card ในตัว เสียงดีมาก มีขยายเสียงในตัว WT2003S32-20N Built in Flash Mini Audio DAC Output MP3 Audio Decoder Usb can download music, high-quality mp3 decoding chip, button UART control, built-in power amplifier

วิธีลง Library
กดตามขั้นตอนและ กด install


หากต้องการเล่นไฟล์ในโมดูลให้แก้ ไฟล์ SparkFun_WT2003S_MP3_Decoder.h ตามนี้


WT2003SXX-20N is a kind of MP3 voice chip with powerful function and high quality, supporting MP3 audio decoding and satisfying customer’s needs from many aspects. It has two play modes. One is the specified file-name play and the other is the specified index order play. It is available to build folder to classify, specify file-name play within folder or play according to the index order. It is built in SPI-FLASH, available to have external SD card and U disk.

Features:

1. Support MP3 audio file, sample rate 8~48KHz, bit rate 8~320Kbps.

2. SPI-FLASH, TF card or U disk as storage; change audio freely; maximum support 32G TF card and 32G U disk.

3. SPI FLASH can store 2047 audios; WT2003S16-20N is built in 16MSPI-FLASH; WT2003S32-20N is built in 32M SPI-FLASH.

4. Available to freely change the audio of TF card through USB interface (XP system, WIN7 system, WIN8 system).

5. Can copy audio files to SPI-FLASH via TF card or U disk, offline audio changing.

6. Simultaneously support key control and UART, universal standard interface protocols, more flexible to control.

7. Support inter cut between different kinds of memory.

8. Built in 1W amplifier, direct to drive 8ohm/1W speaker, with resonant voice and 32-level volume for option.

9. DAC left and right channels output.

10. DC 3 - 5V power supply.

Command list



Application circuit

4.1. WT2003 N02 zui small control circuit

4.2. WT2003 N02 button control circuit

4.3. WT2003 N02 power amplifier connection circuit