ISD1820 recording voice module voice module recording and playback module board with microphone to send 0.5W speakers

Features:

1. Convenient 10- second voice recording and playback

2. High-quality, natural voice reduction

3. May be used as loudspeaker module

4. With loop playback, jog playback, single-pass playback function

5. Can be controlled by single-chip microcomputer

6. This module can directly drive 8 ohm 0.5W small speakers

Power supply: 3-5V, can be connected to a pin to power on;
Recording and playback control mode: key control or single chip computer, control line IO has been led out
Button control recording and playback

operation method:
REC key: recording button, press and hold to record, release the button to stop recording;
RLAYE key: trigger mode playback, press it to play the current entire voice;
PLAYL key: jog mode playback Press and hold to release the sound, release it to stop playing ;
RPL jumper: loop playback mode control, can loop playback;
FT jumper: pass-through control, can make microphone voice pass through to the speaker to play;