WTV020-SD-20SS Sound Module with SD Card Slot



The WTV020 is a great chip that allows playback of sound read from an SD card.  It includes a standard size SD card slot and all the needed pins broken out.


  • Voltage input from 2.5-3.6V (Please note it will not run on 5v)
  • Built-in powerful DSP high-speed processor
  • Has a built in 16 bit DAC to drive a .5W/8Ω speaker or use an external amplifier
  • Supports 16 bit, mono WAV formats
  • Supports sampling rates between 6KHz and 32KHz
  • Maximum SD card size is 1GB
  • Up to 512 segments up to 20 seconds long
  • BUSY feedback function, the audio serial port control more accurate.
  • Serial control with play / pause, adjust volume, stop and other functions.

Datasheet for the module: WTV020.pdf

Datasheet for the chip: WTV020-chip.pdf

  • Shipping Weight: 0.03125lbs
  • 3 Units in Stock
  • Manufactured by: HK Tech

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This product was added to our catalog on Friday 22 March, 2013.