LD3320 Speech Recognition Module Human Voice with STC11 Microcontroller
LD3320 Speech Recognition Module Human Voice with STC11 Microcontroller
Available:In Stock
- Product SKU: KG1024
₹ 1,699
₹ 2,729
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Specification
Description
LD3320 Speech Recognition Module Non-specific Human Voice with STC11 Microcontroller
The LD3320 Speech Recognition Module with STC11 Microcontroller (without a 3.5mm jack) is a powerful, standalone voice recognition module designed for non-specific human speech commands. It supports up to 50 customizable keywords and operates independently without requiring an internet connection. This version comes with a PCB-mounted microphone, eliminating the need for an external audio input jack. It features an SPI communication interface for seamless integration with microcontrollers and embedded systems. Operating at 3.3V to 5V, it has low power consumption, making it ideal for battery-operated applications. With its compact design and efficient performance, this module is widely used in smart home automation, robotics, voice-controlled appliances, and interactive devices.Technical Details
- Model: LD3320 + STC11 V2.1
- Microcontroller: STC11 onboard
- Speech Recognition: Non-specific, supports 50 customizable keywords
- Communication Interface: SPI
- Operating Voltage: 3.3V – 5V
- Current Consumption: 1µA in power-saving mode
- Built-in Microphone: Yes
- External Microphone Support: Yes
- Audio Output: 3.5mm audio jack
- Standalone Operation: No internet required
- Applications: Smart home, voice-controlled devices, automation, robotics
Features
- Non-specific speech recognition – No training required
- Supports 50 customizable keywords
- Built-in STC11 microcontroller
- SPI communication interface for fast data transfer
- Low power consumption – 1µA in power-saving mode
- Operating voltage: 3.3V – 5V
- Supports both built-in and external microphones
- 3.5mm audio output jack for external audio devices
- Standalone operation – No internet required
- Ideal for automation, robotics, and smart home applications
Application
- Smart home automation systems
- Voice-controlled appliances (microwave, induction cooker, etc.)
- Interactive voice assistants
- Vending machines with voice commands
- Voice-controlled robots
- Digital photo frames with speech activation
- Smart toys and interactive dialogue-based toys
- Voice-controlled gaming consoles
- Set-top boxes and smart TV remote controls
- Public lighting and smart city applications
- Subway vending machines and ticketing systems
- Tour guide systems with voice interaction
Physical Attributes
- Dimensions (Lx Wx H)mm: 45 X 31.5 X 10
- USB PCB Dimensions (Lx Wx H)mm: 37 X 16 X 8
- Weight (gm): 35
Package Includes
- 1 x LD3320 Speech Recognition Module Human Voice with STC11 Microcontroller