ISD1820 Voice Recording Module with Microphone

The ISD1820 Voice Recording Module is a convenient solution for incorporating brief audio recordings into your electronic projects. It comes with integrated recording and playback buttons and can be directly controlled using any microcontroller, such as Arduino. The module includes a built-in microphone and supports direct connection to an 8Ω speaker. Thanks to its non-volatile memory, recordings are retained even after power loss.
 

Features:

• Main Chip: ISD1820
• Input Voltage: 3V - 5V DC
• Speaker Support: 8Ω, 0.5W
• Recording Time: Up to 10 seconds
• Easy operation via onboard buttons (REC, PLAYE, PLAYL)
• Built-in electret microphone
• Non-volatile analog flash memory for audio storage
• Controllable via microcontroller or external driver
• Suitable for use with plush toys and sound-operated projects

Button Functions and Connections:

• Record: Press and hold to record; release to stop.
• Play: Plays the entire recorded message once.
• Play: Quick play mode – plays while the button is pressed.
• RPL Link: Enables repeat play mode.
• FT Jumper: Real-time monitoring - routes microphone sound directly to the speaker.

Connections:

The module features connection pins for easy interfacing with a microcontroller (like Arduino). Playback can be operated via a single digital pin.

Dimensions:

Refer to the product images for detailed dimensions.

Package Includes:

• 1 × ISD1820 Voice Recording Module with Microphone
• 1 × 8Ω 0.5W Speaker