ISD1820 chip Microphones on the module
Features:
- Main chip: ISD1820
- Size: 38mm * 42.5mm
- Working voltage: DC 3-5V
- easy to use 10 seconds voice recording and playback
- high quality, natural voice reproduction
- can be used as a megaphone module
- with loop play, jog play, single pass play function
- can be controlled by single chip microcomputer
- this module can directly drive 8 ohm 0.5W small speaker