ISD1820 Voice Recording Playback Module

The ISD1820 Voice Recording Playback Module is a voice recording and playback module based on the ISD1820 chip. It supports voice recording and playback with natural sound reproduction. The module can be used for manual control or MCU control. It can directly drive a small 8 ohm 0.5 W speaker. The module also includes sleep mode with automatic power down.

Features of ISD1820 Voice Recording Playback Module

• ISD1820 chip
• Voice recording and playback
• Manual or MCU control
• Sleep mode with automatic power down
• Direct 8 ohm 0.5 W speaker drive
• Loop play function
• Jog play function
• Single pass play function

Specifications of ISD1820 Voice Recording Playback Module

• Chip: ISD1820
• Working voltage: 3-5V DC
• Speaker: 8 ohm, 0.5 W
• Voice storage capacity: up to 20 seconds
• Control methods: manual or MCU
• Sleep mode: yes (automatic power down)
• Size: 43x38 mm
• Weight: 20 g
• Main chip: ISD1820
• Size: 38mm * 42.5mm
• Working voltage: DC 3-5V
• Easy to use 10 seconds voice recording and playback
• High quality, natural voice reproduction
• Can be used as a megaphone module
• With loop play, jog play, single pass play function
• Can be controlled by single chip microcomputer
• This module can directly drive 8 Euro 0.5W small speaker
• Recording and playback control mode: button control or single-chip microcomputer, control line IO has been led
• REC button: Record button, press and hold to record, release button to stop recording
• Play button: trigger mode playback, press to play the current entire segment of the voice
• Play button: jog mode, press and hold to play, release to stop playback
• RPL jumper: loop playback mode control, can be played cyclically
• FT jumper: through control, can make microphone voice through to the speaker playback

How to Use ISD1820 Voice Recording Playback Module

1. Connect the power supply to the module.
2. Press and hold the REC button to record, then release it to stop recording.
3. Press the Play button to play back the recorded voice.
4. Use button control or MCU control for recording and playback functions.

More Info

• Speaker is not included.
• Control line IO has been led.
• Refer to the datasheet for button operation details.