ISD1820 voice board voice module sound
1 board ISD1820 chip2 onboard microphone, direct recording3, can be about 10 seconds of voice recorders4, the high-quality natural voice restored, the module can be used as a megaphone5, with the loop, jog playback, single-pass play function6, the main chip's pin leads can be controlled through the microcontroller operation7, the operating voltage: 3 ~ 5V8, the board size 54 (mm) x38 (mm)