This voice record/playback device is based on ISD1820 chip, which can record/playback multiple-message. It can offer true single-chip voice recording, non-volatile storage, and playback capability for 8 to 20 seconds. For the sampling rate of 3.2KHz it can record for the total duration of 20 seconds.

Feature:

Push-button interface, playback can be edge or level activated

Automatic power-down mode

On-chip 8Ω speaker driver

Can be controlled both manually or by the microcontroller

Sample rate and duration changeable by replacing a single resistor

Record up to 20 seconds of audio

On board record/play button

On board microphone

Repeat/One Time mode select

External connector for speaker

The chip has the major pin leads, through which you can control the operation from the microcontroller

High-quality, natural voice restored, used as a loudspeaker module

3-5V operating voltage

Dimensions: 37 x 54 mm