- Push-button interface, playback can be edge or level activated
- Automatic power-down mode
- On-chip 8R speaker driver
- 3V signal
- Record up to 20 seconds of audio
This sound detector is based off the ISD1820, which is a multiple-message record/playback device. It can offers true single-chip voice recording, no-volatile storage, and playback capability for 8 to 20 seconds. The board is loaded with a sample which is 3.2k with a the total 20secs for the recorder. This module is very easy use offering direct control by the push button on board or by any microcontroller such as Arduino.