Description
Product Description
The ISD1820 Voice Recording Module (Blue Edition) is a compact, high-efficiency audio solution designed for capturing and playing back short vocal messages. This module is an “all-in-one” board, featuring an onboard high-sensitivity microphone for recording and a powerful integrated amplifier capable of driving an 8Ω 0.5W speaker directly.
Engineered for reliability, the board utilizes non-volatile flash memory, ensuring that your recorded audio is preserved indefinitely even when the power is removed. Its intuitive interface allows for standalone operation via tactile buttons or automated control through microcontrollers like Arduino, Raspberry Pi, and PLC systems. Whether you are adding voice prompts to industrial machinery, creating interactive museum displays, or developing consumer “talking” products, this module offers a professional-grade audio bridge at a cost-effective price point.
Key Features
- Plug-and-Play Audio: Includes a built-in microphone and a matched 0.5W speaker for immediate use out of the box.
- Non-Volatile Flash Storage: Recorded messages are stored safely on the chip; no backup battery is required to maintain the recording.
- Multi-Mode Playback:
- Edge-Triggered (PLAYE): Plays the full message with a single pulse.
- Level-Triggered (PLAYL): Plays only while the signal is held HIGH.
- Looping: Continuous playback mode available via onboard jumper.
- Microcontroller Compatible: Standard 2.54mm headers allow for easy connection to 3.3V or 5V logic systems.
- Low Power Consumption: Optimized for battery-operated devices and energy-efficient IoT sensor nodes.
- Zero-Code Setup: Can be operated entirely via physical buttons without any software programming.
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