Description
The Voice Recognition Module V3 is a compact and user-friendly voice control module designed for embedded systems and microcontroller-based projects. It allows users to train the module with custom voice commands and recognize spoken instructions without the need for an external processor or internet connection. Supporting up to 80 stored voice commands (with 7 active at a time), this module is ideal for voice-controlled automation, robotics, and interactive applications.
With an onboard microphone, UART communication interface, and fast response time, the Voice Recognition Module V3 provides reliable and efficient offline voice recognition for a wide range of projects.
Key Features
- Supports up to 80 Voice Commands (stored in groups)
- Recognizes 7 Commands at a Time
- Offline Voice Recognition: No internet or cloud processing required
- UART Communication Interface: Easy integration with microcontrollers
- Onboard Microphone: No external mic required
- Fast Response Time: Recognition in under 1 second
- Low Power Consumption
- Multi-Language Support (training-based)
- High Recognition Accuracy
Specification
- Supply Voltage: 4.5V – 5.5V DC
- Current Consumption: ≤ 50 mA
- Communication Interface: UART (default 9600 bps)
- Recognition Accuracy: Up to 99% (under optimal conditions)
- Recognition Time: < 1 second
- Maximum Stored Commands: 80
- Active Commands per Group: 7
- Operating Temperature: -40°C to +85°C
- Dimensions: 30 mm × 20 mm × 5 mm
Application
- Home automation systems
- Voice-controlled robots
- Interactive toys and games
- Voice-activated electronic devices
- Security and access control systems
- Assistive technology for differently-abled users
- DIY electronics and IoT projects
Usage Overview
Connection
- Connect VCC to 5V
- Connect GND to ground
- Connect RX (module) to TX (microcontroller)
- Connect TX (module) to RX (microcontroller)
Training
- Train voice commands using serial commands or provided software
- Perform training in a quiet environment for best accuracy
- Store commands into selectable groups
Operation
- The module continuously listens for trained voice commands
- Upon recognition, it sends command data to the microcontroller via UART
- The microcontroller executes corresponding actions
Caution
- Avoid operating in noisy environments for optimal recognition accuracy
- Handle carefully to prevent electrostatic discharge (ESD) damage
- Ensure stable 5V power supply to prevent malfunction
Why Choose This Module?
The Voice Recognition Module V3 offers a simple, offline, and reliable solution for adding voice control to embedded projects. With easy training, high accuracy, and microcontroller compatibility, it’s an excellent choice for both beginners and advanced developers.
Datasheet: For detailed technical specifications, refer to the Voice Recognition Module V3 Datasheet.