ISD1820 Voice and Sound Recorder and Play Module

Description

The ISD1820 module is a voice recorder and playback module that allows you to record audio messages and play them back. It’s commonly used in DIY electronics projects where voice recording and playback functionality is required. Here are some key features and information about the ISD1820 module:

1. IC: The ISD1820 module is based on the ISD1820 voice record and playback IC.
2. Recording Duration: The module typically allows for a few seconds of audio recording time. The exact duration may vary depending on the specific model or version.
3. Components:
   • Microphone: The module usually has a built-in microphone for recording audio.
   • Speaker/Headphone Output: It provides an output for connecting a speaker or headphones for audio playback.
4. Buttons/Controls:
   • Record Button: Initiates the recording process.
   • Play Button: Initiates the playback of the recorded audio.
   • Erase Button: Clears the recorded content.
5. Operating Modes:
   • Record Mode: Allows you to record audio messages.
   • Playback Mode: Plays back the recorded audio.
6. Power Supply:
   • The module typically operates on a supply voltage in the range of 3V to 5V.
7. Connections:
   • Power Connections: VCC (Power), GND (Ground).
   • Audio Connections: MIC (Microphone), SP+ (Speaker Positive), SP- (Speaker Negative).
8. External Components:
   • Some versions of the module might require external components like resistors or capacitors for configuration.
9. Applications:
   • Voice recording and playback in electronic projects.
   • Greeting cards, interactive displays, and other creative applications.
10. Documentation:
    • It’s important to refer to the datasheet or documentation provided by the manufacturer for specific details on wiring, configuration, and usage instructions.

When working with the ISD1820 module, it’s crucial to follow the manufacturer’s guidelines and specifications. The actual features and specifications may vary slightly depending on the specific version or variant of the ISD1820 module you are using. Always refer to the datasheet or user manual provided by the manufacturer for accurate information.