The Grove - Offline Voice Recognition Module provides true offline voice control without relying on any external internet connection. It supports 45 pre-programmed voice commands and communicates via UART, making it easy to integrate into a wide range of projects. With support for analog and digital microphones, dual-channel DAC outputs, and multiple communication interfaces like UART, I2C, PWM, SPI, and GPIO, it is ideal for low-power, battery-operated edge devices.
Key Features
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True Offline Voice Recognition: Operates independently, no internet connection required.
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Rich Peripheral Support: 1 analog mic input, 4 digital mic inputs, and dual-channel DAC output.
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Wide Voltage Compatibility: Onboard circuitry supports both 3.3V and 5V systems.
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Smart Functions: Includes Power-On Reset (POR), Low Voltage Detection, and Watchdog Timer.
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Grove Interface: Full-duplex UART up to 3Mbps for seamless communication.
Why Use an Offline Voice Module?
Online voice recognition modules depend on cloud services and are unsuitable for battery-powered or offline environments. This module allows voice control at the edge without external dependencies, making it perfect for smart homes, automotive, industrial, and medical applications.
Applications
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Smart Home Automation
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In-Car Voice Systems
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Industrial and Medical Device Control
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Consumer Electronics
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IoT Devices and Wearables
Specifications
| Parameter | Detail |
|---|---|
| Size | 40mm × 20mm × 10mm |
| Operating Temperature | -40°C to 85°C |
| Storage Environment | -40°C to 125°C, <90%RH |
| Power Supply Range | 3.6V–5V, Current >500mA |
| Supported Interfaces | UART, I2C, PWM, SPI, GPIO |
| Default Serial Baud Rate | 115200 bps |
| Internal Storage | 2MB SPI Flash |
Part List
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Grove - Offline Voice Recognition Module × 1
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Speaker × 1
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Grove Cable × 1
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