ISD1820 Voice Recording Module


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Detail about Voice Recording Module 

This module board is based on ISD18B20, which is a single-chip single-message record/playback device. Recordings are stored into on-chip non-volatile memory, providing zero-power message storage. With the embedded Flash memory employed, data retention up to 100 years and typical 100,000 erase/record cycles can be reached. Time for recording is 8-20 seconds.


  • Main chip: ISD1820
  • Board Size: 38mm * 42.5mm
  • Operating voltage: DC 3 ~ 5V
  • Easy to use 10 seconds of voice recording
  • High-quality, natural voice restored
  • Can be used as a propaganda module
  • With the loop, jog playback, single-pass play function
  • Available microcontroller control
  • Module can directly drive 8 ohm 0.5W small speaker
  • Microphone is on board
  • All the pins of ISD1820 are extended out with an connector, which can powered and controlled by microprocessor directly¬†


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ISD1820 Voice Recording Module

ISD1820 Voice Recording Module

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