ISD1820 based voice recording module for 3 to 5 V systems Key benefits Simple integration with standard 35 V supplies, suitable for microcontroller projects and small electronics. Flexible control options: use a physical push button for recording and playback, or drive a single IO line from a controller for automated control. Pin header installation ready for quick prototyping and easy wiring in your build. Reliable performance from a dedicated ISD1820 voice recording chip, designed for compact voice recording and playback. Specifications and features Operating Voltage: DC 35 V Power supply: compatible with 5 V logic; supports pin header installation for straightforward connections Main chip: ISD1820 Recording/Playback Control Mode: can be controlled by a button or by a single IO line (one control method required at a time) Control options Button control: press to trigger recording and playback as needed Single IO control: connect a microcontroller or other logic signal to drive recording and playback with a single control line Applications and use scenarios Microcontroller projects: add verbal prompts or alerts to DIY gadgets and prototypes Toys and educational devices: integrate simple voice messages to enhance interactivity Small automation or alarm setups: deploy short voice reminders or cues in a compact form factor Notes This module is designed to operate at DC 35 V and is compatible with 5 V logic environments. Installation can be accomplished with standard pin headers for easy mounting and connectivity. This description preserves the original model and function details (ISD1820 chip, 35 V operation, pin header compatibility, and button or single IO control) while presenting clear, benefitfocused information and practical use scenarios.