ISD1820 Sound Recording Module

The OKY3164 is a sound recording and playback module based on the ISD1820 chip, offering a straightforward solution for integrating short audio messages into electronic projects. It features an onboard microphone for direct recording, and all audio is stored in non-volatile memory.

Key Features
- Integrated ISD1820 Chip: Provides a complete voice record and playback system.
- Onboard Microphone: Enables direct sound recording without requiring external input devices.
- Dual Control Methods: Operate using the onboard push-buttons for Record (REC) and Playback (PLAYE/PLAYL), or interface with a microcontroller like an Arduino for advanced control.
- Non-Volatile Storage: Audio recordings are retained in memory even when power is disconnected.
- Direct Speaker Output: Capable of directly driving a standard 8 Ohm speaker.
- Adjustable Recording Duration: Offers a default recording time of approximately 10 seconds, which can be extended up to 20 seconds by replacing an onboard resistor.

Applications
This module is an excellent choice for projects requiring simple voice alerts, custom sounds in toys, and various DIY electronics. Its self-contained design and easy operation make it ideal for adding recorded instructions or sound effects to a wide range of devices.