SD1820 voice recording sound module voice module board

Onboard Microphones

Physical picture:

Product Description:

1. the main chip: ISD1820

2. size: 38mm * 42.5mm

3. the working voltage: DC 3 ~ 5V

4. the main features

（1） easy to use 10 seconds of voice recording

（2） high-quality, natural voice restored

（3） can be used as propaganda module

（4） with looping, jog playback, single-pass play function

（5） available single-chip control

（6） this module can directly drive a small speaker 8 ohm 0.5W