ISD1820 Voice Recording Module

Product Introduction:

Main chip:ISD1820

Size: 38mm * 42.5mm

Working voltage: DC 3-5v

Recording and playback control mode: key control or single chip microcomputer, and the control line IO has been led out;

Main Features:

1. Easy to use 10 second voice recording and playback

2. High quality, natural voice restoration

3. Can be used as a pager module

4. With cycle play, jog play and single pass play functions

5. It can be controlled by single chip microcomputer

6. This module can directly drive 8 Ω 0.5W small horn

Key Controlled Recording And Playback Operation Method:

REC key: press and hold the recording key to record, release the key to stop recording;

RLAYE key: trigger mode playback, press once to play the current whole segment of voice;

PLAYL key: jog mode playback, press and hold to playback, release to stop playback;

RPL Jumper: cycle playback mode control, which can cycle playback;

FT Jumper: direct control, which can make the microphone voice direct to the horn for playback;