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Speech Recognition Module

Speech Recognition Module

β‚Ή1,799.00Price

🎀 Speech Recognition Module

🧩 Overview

  • Converts voice commands into digital signals

  • Enables voice-controlled devices and automation

  • Compact, easy to interface with Arduino, ESP32, or Raspberry Pi

βš™οΈ Working Principle

  • Microphone captures sound waves

  • Analog-to-digital conversion of audio signals

  • Speech recognition IC processes patterns

  • Outputs digital signal or serial data for microcontroller

πŸ“Š Key Specifications

  • πŸ”Ή Number of Commands: 8–80 (varies by module)

  • πŸ”Ή Recognition Modes: Single-word, Continuous speech

  • πŸ”Ή Trigger: Voice-activated / Button-activated

  • πŸ”Ή Output: Digital pins (HIGH/LOW), UART/Serial

  • πŸ”Ή Voltage: 3.3V – 5V DC

  • πŸ”Ή Current: 20–50 mA

🧱 Module Components

  • Microphone

  • Speech recognition IC

  • Processing circuit & amplifier

  • Communication interface (UART / GPIO / I2C)

πŸ”„ Features

  • Custom Command Training

  • Supports multiple languages

  • Low power consumption

  • Easy integration with microcontrollers

πŸ› οΈ Applications

  • Voice-controlled robots πŸ€–

  • Smart home automation 🏠

  • IoT voice commands 🌐

  • Hands-free devices

  • DIY electronics experiments

⚠️ Usage Tips

  • Train module for specific commands

  • Minimize background noise for better accuracy

  • Use proper power supply (stable 5V)

  • Keep microphone clean & unobstructed

βœ… Advantages

  • Simple microcontroller interface

  • Reliable recognition for limited commands

  • Compact and lightweight

  • Energy-efficient

⚠️ Limitations

  • Limited vocabulary on basic modules

  • Accuracy affected by background noise

  • Advanced features require software training

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