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Grove - MP3 v2.0

SKU 107020008
Grove - MP3 v2
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Grove - MP3 v2.0 is a tiny-size and compact audio module. It supports operations including shuffle and play in an order of various audio files such as WAV and WMV ones. With serial communication, you can use all predefined commands or even the combinations of them to play the music. This module also supports general file systems like FAT16 and FAT32. It gets a Grove UART interface, a 3.5mm audio jack and a micro-SD slot. With this module, you can get some “voices” for silent applications.


  • General operations on audio files
  • On-board micro-SD slot and 3.5mm audio jack
  • Support sample rate of 8/11.025/12/16/22.05/24/32/44.1/48(KHz)
  • 24-bit DAC output, 90 dB(at Max.) dynamic output range, signal-noise ratio at 85 dB
  • MP3, WMW and WAV audio formats and FAT16, FAT32 files system supported
  • Embed 10 levels of equalization in total


  • Input: 5V(DC)
  • Operating current (without signal output state): less than 15 mA
  • Operating current (with signal output state): less than 40 mA
  • Chip: KT403A
  • Chip LDO output voltage: 3.3 V
  • Chip output current: 100 mA(at Max.)
  • File formats supported: MP3, WAV, WMA
  • Maximum memory supported for SD card: 32 GB
  • Sampled rate : 8/11.025/12/16/22.05/24/32/44.1/48 (KHz)

Please visit our wiki page for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our forum.

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