ISD1820 Voice Recording & Playback Module with mic and speaker
The ISD1820 Voice Recording and Playback Sound Module is a high-quality, single-chip audio storage solution engineered to add voice announcements and custom sound effects to electronic devices. Driven by the rugged ISD1820 chip layout, this board features a user-friendly flash memory architecture capable of recording and reproducing a high-fidelity 10-second voice message loop. The module is fully equipped for immediate operation, containing an onboard high-sensitivity electret microphone for sound capture and a dedicated audio amplifier terminal that directly drives the included 8-Ohm 0.5W speaker. Operating on a standard 3V to 5V DC power supply, it supports both manual push-button edge controls and direct microcontroller interface routing—making it the definitive hardware choice for automated security alert announcements, custom smart toys, interactive museum displays, and talking DIY home automation nodes using Arduino, ESP32, or Raspberry Pi.
₹ 137
₹ 199
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| Made In : | India |
The ISD1820 Voice Recording Module is a compact and easy-to-use sound recording and playback solution. It features an onboard microphone and supports external speaker connection, allowing you to record and play back audio messages up to 10 seconds (approx.). Ideal for Arduino projects, DIY electronics, and interactive systems, this module enables simple voice control and audio feedback applications.
Key Features
- Built-in ISD1820 voice recording IC
- Onboard microphone for direct sound recording
- Supports external speaker (8Ω recommended)
- Playback duration up to ~10 seconds
- Push-button recording and playback control
- Loop and single playback modes
- Easy interface with Arduino and other microcontrollers
Technical Specifications
| Parameter | Specification |
|---|---|
| IC | ISD1820 |
| Operating Voltage | 3V – 5V |
| Recording Time | ~10 seconds (varies with quality) |
| Audio Output | Speaker (8Ω) |
| Input | Onboard Microphone |
| Control Pins | REC, PLAYE, PLAYL |
| Storage Type | Non-volatile (retains recording) |
| Interface | Digital control pins |
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