【 Product Introduction 】
Main chip: ISD1820
Size: 38mm * 42.5mm
Working voltage: DC 3~5V
Main features:
1. Convenient 10 second voice recording and playback
2. High quality and natural speech restoration
3. Can be used as a loudspeaker module
4. With loop playback, jog playback, and single pass playback functions
5. Can be controlled by a microcontroller
6. This module can directly drive 8 Euro 0.5W small speakers
Power supply: 3-5V, can be connected to a pin for power on;
Recording and playback control method: button control or microcontroller, control line IO has been led out
Button controlled recording and playback operation method:
REC button: Record button, press and hold to record, release button to stop recording;
RLAYE key: Trigger mode playback, press once to play the entire current segment of speech;
PLAYL key: Play in jog mode, press and hold to play, release to stop playing;
RPL jumper: loop playback mode control, can loop playback;
FT jumper: Direct control, allowing the microphone voice to be transmitted directly to the speaker for playback.