Voice Recording Playback Module ISD1820



  • 10 seconds voice recording
  • High quality, natural voice
  • Looping, jog playback, single pass play functions
  • Can directly drive a 8Ω 0.5W speaker


  • Operating Voltage: 3 - 5v
  • Audio recording control mode: the key to control or microcontroller, IO has drawn the line of control
  • REC: Record button, press and hold to record, release the button to stop recording
  • PLAYE: Trigger mode playback, press will play the whole speech

  • PLAYL: Jog mode playback, press and hold to playback, release to stop playback
  • P-E Jumper: Loop mode control, loop playback

  • FT Jumper: Direct control, microphone voice through the speaker can playback
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