Generic 2B1 ISD1820 Sound Voice Module With Mic Sound Audio Loudspeaker

Automatic power-down mode, On-chip 8Ω speaker driver, Signal out – 3V, Can be controlled both manually or by MCU, Sample rate and duration are changeable by replacing a single resistor, High-quality Simple circuit, Pluggable Recording and playback function, Push-button interface, playback can be edge or level activate, FeedThrough mode, Direct drive for loudspeakers with impedances as low as 8Ω, Microphone In: on-chip pre-amplifier

The ISD1820 Voice Recorder and Playback Module can be used for security tasks or playing various voice messages. Operating voltage is 2.8-5.5V. Pinout instructions: VCC (DC 2.4-5.5V), GND (Ground), FT (FeedThrough mode enables Microphone to drive speaker directly), REC/REC (Button) (active HIGH record signal, must remain HIGH during recording, takes precedence over playback), P-E/PLAY-E (Button) (Playback, Edge-activated, continues until End-of-Message or end of memory), P-L/PLAY-L (Button) (Playback, Level-activated, initiates playback on LOW to HIGH transition), SPI (SP+ and SP- for direct speaker drive, not serial parallel interface), MIC (Microphone In). Warning: Only 10 seconds can be recorded by the module for this connection type.