ISD1820 Voice module recording module voice module the voice board telediphone module board with Microphones + Loudspeaker (B.2)
Voice Record 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 .