ISD1820 Voice Recording Module with Onboard Mic & Speaker Output
The ISD1820 Voice Recording Module is a standalone audio capture and playback board featuring a non-volatile analog memory chip, onboard electret microphone, and direct 8Ω speaker drive. It operates from 3–5V DC and is easily integrated with Arduino, Raspberry Pi, or other microcontroller platforms for adding voice alerts, messages, or sound effects to projects.
Features
- ISD1820 Chip for up to 10 seconds of analog voice recording & playback
- Onboard electret microphone and direct 8Ω, 0.5W speaker output
- Simple push-button or microcontroller control (record, play, loop)
- Non-volatile storage retains audio without power
- Compact 42mm x 37mm x 11mm module, 3–5V DC operation
Out of stock
The ISD1820 module utilizes a dedicated voice record/playback IC that stores audio in analog form within non-volatile memory cells, providing natural sound quality without the complexity of digital audio codecs. The integrated electret microphone and audio amplifier allow for a complete, standalone audio subsystem.
Control is managed via tactile push-buttons for manual operation or through digital I/O pins for microcontroller integration, supporting multiple playback modes including single-shot, loop, and jog. Its low-voltage, low-power design makes it suitable for portable and battery-powered applications.
Additional Information
| Weight | 0.009 kg |
|---|---|
| Dimensions | 4.2 × 3.7 × 1.1 cm |














