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Voice Recognition Module V3.1 Compatible with Arduino

Voice Recognition Module V3.1 Compatible with Arduino

₹2,128.00Price
🎤 Voice Recognition Module V3.1
Speech Control • Offline Recognition • Arduino Compatible
📌 What is this module?
The Voice Recognition Module V3.1 is a speaker-dependent speech recognition module that allows a microcontroller (like Arduino) to recognize voice commands and perform actions.
👉 It works offline (no internet needed)
👉 Commands must be trained by the user’s voice
⚙️ Working Principle
  • User records (trains) voice commands into the module
  • Module stores these commands in memory
  • When the same voice is spoken:
    • Audio is captured via microphone
    • Compared with stored patterns
  • If matched → module sends signal to Arduino
✔ It uses pattern matching of sound signals, not AI/cloud processing
🧠 Key Characteristics
  • Speaker-dependent → works best with trained voice
  • Requires training before use
  • Recognizes short commands (1–2 words)
✨ Key Features
  • Supports up to 80 voice commands
  • Only 7 commands active at a time
  • Works with Arduino via UART (Serial communication)
  • Provides GPIO output for direct control
  • Includes microphone interface (3.5mm jack or onboard pins)
  • Arduino library available
🔌 Pin Configuration (Typical)
  • VCC → 5V
  • GND → Ground
  • TX → Arduino RX
  • RX → Arduino TX
  • GPIO pins → Direct control outputs
📊 Technical Specifications
  • Operating Voltage: 4.5V – 5.5V
  • Current Consumption: < 40 mA
  • Interface: UART (TTL serial) + GPIO
  • Recognition Time per Command: ~1500 ms
  • Accuracy: Up to ~99% (ideal conditions)
🔄 Control Modes
1. Serial Mode (Full Control)
  • Communicates via UART
  • Can:
    • Train commands
    • Load command groups
    • Read results
2. GPIO Mode (Simple Control)
  • Outputs HIGH/LOW signals
  • Directly controls LEDs, relays, etc.
🧠 Memory & Command Handling
  • Total storage: 80 commands
  • Active group: 7 commands at a time
  • Commands grouped into sets (libraries)
👉 You must load a group before recognition
🛠️ Applications
  • Voice-controlled home automation
  • Robotics control
  • Smart appliances
  • Voice-operated wheelchair
  • Security systems
  • DIY AI assistant projects
🔗 Arduino Interface
  • Connect via Serial communication (TX/RX)
  • Use library to:
    • Train commands
    • Detect recognized voice
    • Trigger actions
⚡ Advantages
  • Works offline (no internet required)
  • Easy integration with Arduino
  • Supports multiple commands
  • Low power consumption
  • Real-time response
⚠️ Limitations
  • Speaker-dependent (not universal voice recognition)
  • Limited to 7 active commands at once
  • Sensitive to:
    • Noise
    • Accent variation
  • Requires training for each user
💡 Important Notes
  • Works best in quiet environments
  • Keep commands short and distinct
  • Train multiple samples for better accuracy
  • Microphone quality affects performance
🧾 Summary
The Voice Recognition Module V3.1 is a compact and practical module that enables:
✔ Offline voice control
✔ Simple speech-command interaction
✔ Easy Arduino integration
👉 Ideal for beginner to intermediate projects involving voice-based automation.
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