DFRobot Gravity Offline Voice Recognition Module I2C & U

DFRobot Gravity Offline Voice Recognition Mod

DFRobot

DFRobot Gravity Offline Voice Recognition Module I2C & UART SEN0539-EN

Name: DFRobot Gravity Offline Voice Recognition Module I2C & UART SEN0539-EN
Brand: DFRobot
SKU: DF02539-EN
Price: 20.15 EUR
Availability: InStock

Item No.: DF02539-EN

HAN: SEN0539-EN

EAN: 4060137042782

HS Code: 9025190090

Herkunftsland: CN

Lagerstufe: Neu

20,15 €

incl. 19% VAT plus (M)

Net: 16,93 €

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The DFRobot Gravity: Offline Language Learning Voice Recognition Sensor for micro:bit / Arduino / ESP32 - I2C & UART is an offline voice recognition module with I2C and UART interfaces. It supports 121 built-in English commands and 17 custom voice commands for Arduino, micro:bit, and ESP32. More product details

Product Description

The DFRobot Gravity: Offline Language Learning Voice Recognition Sensor for micro:bit / Arduino / ESP32 - I2C & UART is an offline voice recognition module designed for command-based voice control without a network connection. It interfaces with micro:bit, Arduino, and ESP32 through I2C or UART and is intended for predefined command recognition in embedded systems.

The module provides 121 built-in English command words and supports 17 custom commands. An integrated microphone and onboard speaker enable voice input and real-time audio feedback. It is intended for keyword and command recognition rather than speech-to-text processing or conversational AI functions.

Technical Features

Offline voice recognition module for command-based control
121 built-in English voice commands
Support for 17 custom commands
Interfaces: I2C and UART
Compatible with Arduino, micro:bit, and ESP32
Integrated microphone and onboard speaker
Plug-and-play integration with supported development platforms

Application Areas

Typical applications include human-machine interfaces, voice-triggered control functions, educational setups, and embedded projects requiring local voice command input. The module can be used in smart home control, simple voice assistant concepts, automatic triggers, and other systems that process defined spoken commands without cloud connectivity.

With support for common controller platforms, it fits prototyping, lab setups, classroom use, and compact control devices. The functionality is focused on command-word recognition for actions such as start, stop, switching, and event triggering.

What's Included

Gravity: Voice Recognition Module - I2C & UART (V1.1) x1
Gravity-4P I2C/UART Sensor Connector x1

Item information	Value
GTIN:	4060137042782
HAN:	SEN0539-EN
Category:	Gravity
Operating Temperature Range:	0°C bis 50°C
Manufacturer Part Number:	SEN0539-EN
Digital Interface Protocols:	I2C, UART
Interface Type:	I2C & UART
Abmessungen (mm):	32 x 32
Min Supply Voltage:	3.3
Max Supply Voltage:	5
Connector Ecosystem:	Gravity
Connector Type:	JST-PH
Wi-Fi Frequency Bands:	DFRobot
Compatible Host Board Models:	Arduino UNO, micro:bit, ESP32
Compatible Host Board:	Arduino, micro:bit, ESP32
Baud Rate:	9600
Default I2C Address:	0x64
Current Consumption:	40
Current Consumption Max.:	90

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Manufacturer according to GPSR
DFRobot, Room 602, 603, No. 2 Boyun Road, Zhangjiang Hi-Tech Park, China (Shanghai) Pilot Free Trade Zone, 201210 shanghai, China, https://eckstein-shop.de/DFRobot-Marken