ISD1820 Sound Voice Board Recording Module (ISD1820 Voice Recorder and Playback Module)

The ISD1820 Sound Voice Board Recording Module is a compact voice recording and playback module designed for audio message storage, voice alerts, robotics, automation projects, and embedded systems. Featuring an onboard microphone, speaker driver, and easy push-button operation, the module allows users to record and play back voice messages without requiring complex programming. It operates from a low-voltage power supply and can be controlled manually or through a microcontroller.

Key Features -

• Based on the ISD1820 voice recording IC

• Onboard microphone for voice recording

• Voice recording and playback functionality

• Supports manual and microcontroller control

• Edge-triggered and level-triggered playback modes

• Onboard audio amplifier and speaker interface

• Non-volatile audio storage

• Compact module design

Specifications -

• Product type - Voice recording module

• Main IC - ISD1820

• Operating voltage - 3V to 5V DC

• Recording time - Up to 10 seconds typical

• Playback modes - PLAYE and PLAYL

• Audio input - Onboard microphone

• Speaker support - 8 Ohm speaker output

• Control method - Push buttons or MCU control

• Storage type - Non-volatile voice memory

• Additional features - Loop playback, automatic power-down mode, and onboard amplifier

Applications -

• Voice announcement systems

• Security and alarm systems

• Talking robots

• Smart doorbells

• Educational electronics projects

• Interactive toys

• Embedded audio projects

• Automation systems