This module uses the ISD1820 voice record and playback IC to record a single voice message of up to 10 seconds in length. The recorded message is stored in its specialized analog flash memory that will keep the message stored even when power is removed.
The most common sound playback module is ISD 1820 Voice Recorder Module. It is based on ISD1820, which is a multiple‐message record/playback device. It can offer true single‐chip voice recording, no‐volatile storage, and playback capability around 10-20 seconds.
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