Gravity: Offline Language Learning Voice Recognition Sensor for micro:bit/Arduino / ESP32 - I2C & UART
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Gravity: Offline Language Learning Voice Recognition Sensor for micro:bit/Arduino / ESP32 - I2C & UART

4.1/5
Product ID: 740865091
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Details

  • Brand
    DFROBOT
  • Model Name
    AI Offline and
  • Connectivity Technology
    I2C
  • Included Components
    Built-in and
  • CPU Manufacturer
    Multiple
🔒Offline, no network needed
🤖Self-learning + 17 custom commands
🎙️121 built-in commands

Description

🎤 Speak Smart, Build Smarter: Your Voice, Your Rules.

  • COMPACT INTERACTIVE - Built-in mic and speaker with real-time feedback in a sleek 49×32 mm form factor, perfect for embedded smart devices.
  • CUSTOM VOICE TRAINING - Empower your projects with 17 unique custom commands—train it to recognize anything from whistles to pet sounds.
  • 121 PRELOADED COMMANDS - Skip setup hassle with a vast library of fixed voice commands ready out-of-the-box.
  • PLUG PLAY COMPATIBILITY - Seamlessly integrates with micro:bit, Arduino, and ESP32 for instant prototyping.
  • PRIVACY FIRST OFFLINE OPERATION - No cloud, no data leaks—voice recognition happens locally for ultra-secure interactions.

The DFROBOT Gravity SEN0539-EN is an offline AI voice recognition sensor designed for micro:bit, Arduino, and ESP32 platforms. Featuring 121 built-in commands and the ability to learn 17 custom voice triggers, it offers fast, secure, and private voice control without any network dependency. Its compact size, integrated microphone, and speaker interface make it ideal for embedding in smart automation and interactive projects.

Specifications

BrandDFROBOT
ManufacturerDFROBOT
ModelSEN0539-EN
Model NameAI Offline Language Learning Voice and Speech Recognition Module
Product Dimensions4.9 x 3.2 x 3.2 cm; 20 g
Item model numberSEN0539-EN
Processor BrandMultiple
Processor Count1
Hardware InterfaceUSB
Compatible Devicesmicro:bit, Arduino, ESP32
Mounting HardwareBuilt-in speaker and interface for external speaker
Display TechnologyLCD
Microphone formatBuilt-In
Batteries IncludedNo
Batteries RequiredNo
Wireless TypeBluetooth
Connector TypeI2C
ManufacturerDFROBOT
Item Weight20 g

Common Questions

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TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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Sorry, this item from our Thailand store is out of stock. We're restocking soon—check back or contact support for similar products.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

Gravity Offline Language Learning Voice Recognition Sensor For Micro Bit | Desertcart Thailand