ISD1820 Sound/Voice Board Recording Recorder Playback Module On-board Microphone With Mic Sound Audio Loudspeaker This module is base on ISD1820, which 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 sample is 3.2k and the total 20s for the Recorder. This module Read more about ISD1820 Sound/Voice Board Recording Recorder Playback Module On-board Microphone With Mic Sound Audio Loudspeaker[…]