ISD1820 Voice Recording Module
The ISD1820 Voice Recording Module is a compact and easy-to-use audio recording and playback module designed for DIY electronics, Arduino projects, voice alerts, talking toys, security systems, and interactive devices. Featuring an onboard microphone and speaker driver, it allows users to record and play back voice messages with simple push-button controls or through a microcontroller. The module stores recorded audio in non-volatile memory, ensuring recordings remain محفوظ even when power is removed.
Key Features
- Record and playback voice messages up to approximately 10–20 seconds
- Built-in microphone for direct voice recording
- Non-volatile memory retains recordings without power
- Supports edge-triggered and level-triggered playback modes
- Operates on 3V–5V DC power supply
- Onboard speaker driver for direct 8Ω speaker connection
- Manual push-button operation or microcontroller control
- Automatic power-down mode for low power consumption
- Adjustable recording duration and audio quality via onboard resistor modification
- Compact and lightweight design for embedded applications
Technical Specifications
- IC: ISD1820 Voice Recording Chip
- Operating Voltage: 3V–5V DC
- Recording Time: Up to 10–20 seconds
- Storage Type: Non-volatile memory
- Audio Input: Onboard Electret Microphone
- Speaker Output: Supports 8Ω speaker
- Control Methods: Push Buttons or MCU Interface
- Playback Modes: PLAYE (Edge Trigger), PLAYL (Level Trigger)
- Applications: Voice prompts, alarms, toys, greeting cards, robotics, and educational projects
Package Includes
- 1 × ISD1820 Voice Recording Module
Perfect for Arduino, Raspberry Pi, robotics, security alerts, talking projects, and custom voice playback applications.
