Industry-grade MP3 Player OEM Module with ATmega644p microcontroller, SDcard and VS1011 decoder.


Complete with firmware, ready to use.


Adds high-quality audio playback functionality to your devices.


  • Atmel ATmega644p RISC CPU @ 6MHz
  • VLSI VS1011E MP3/WAV Decoder
  • Decodes MPEG 1 & 2 audio layer 3 (ISO 11172-3), WAV and PCM files
  • Supports bitrates up to 128kbit/s and VBR (variable bitrate) for MP3
  • High-quality stereo DAC with no phase error between channels
  • Stereo earphone driver capable of driving a 30Ohm load
  • Active de-click circuit
  • SDcard removable storage device, on SPI
  • RS-232 Interface
  • Remote controlled via RS-232 and discrete digital inputs
  • 4 optically coupled digital inputs, 24V level
  • 1 open-drain BUSY output
  • Onboard programmability with 2 switches and LED
  • Operating Voltage: 5...32VDC
  • Mechanical dimensions: 50 x 80 mm


  • Fully self-contained digital audio playback module
  • Ready to use, no firmware programming required
  • Supports SDcard mass storage with FAT16
  • Directly connect earphones or active speakers
  • 24V Operation
  • Fully controllable via serial interface or keypad

Related Documents

Product Datasheet Rev. 1.0

Schematic Diagram Rev. 1.1

VS1011 Data Sheet


Related Products

MP3annunciator (Industrial MP3 Player)


Ordering Information

Art. No. 0142

MP3 industrial digital audio player with VS1011


EUR 98.00


Additional Resources

VLSI product page





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