Gravity: Offline Language Learning Voice Recognition Sensor for Arduino/Raspberry Pi/Python / ESP32 - I2C & UART

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Gravity: Offline Language Learning Voice Recognition Sensor for Arduino/Raspberry Pi/Python / ESP32 - I2C & UART

Regular Price: US$47.99

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Supplier: DFROBOT

Category: Electronics Computers & Accessories Computer Components Single Board Computers

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What is voice recognition?

Voice recognition is a computer technology that recognizes and converts speech signals into editable text or operational commands through analysis. It allows people to interact with computers by speaking without using a mouse, keyboard, or other input devices. Voice recognition technology has been widely used in applications such as voice assistants, smart homes, voice search, and voice recognition notebooks.

What is Gravity: offline language learning voice recognition sensor?

Gravity: offline speech recognition sensor is built around an offline voice recognition chip, that can be used directly without an internet connection. It comes with 121 built-in fixed command words and supports the addition of 17 custom command words. Meanwhile, this voice recognition module's compatibility with multiple common controllers enables it to provide a flexible solution for makers and electronics enthusiasts in terms of voice interaction. It can be applied to any application that requires voice control or interaction, such as various smart home appliances, toys, lighting fixtures, and robotics projects, among others.

Self-Learning Function

The voice recognition module is equipped with a self-learning function and supports the addition of 17 custom command words. Any sound could be trained as a command, such as whistling, snapping, or even cat meows, which brings great flexibility to interactive audio projects.

For instance, an automatic pet feeder. When a cat emits a meow, the offline voice recognition module can recognize the meow and trigger the feeder to automatically provide food for the cat. This innovative design ensures that the owner can promptly meet the cat's dietary needs. Moreover, the product is equipped with excellent noise resistance and long-distance recognition capabilities, allowing for precise identification of the cat's meows even in noisy environments.

User-Friendly

The offline speech recognition sensor boasts a user-friendly design. It comes with 121 built-in fixed command words, eliminating the need for users to record their own voices.

For instance, in an intelligent window system, when it starts to rain or thunder, there's no need for manual window operation. The offline voice recognition module can recognize the pre-set command word "close the window," triggering the automatic closing of the window to cope with sudden weather changes.

Real-Time Voice Feedback

The language learning voice recognition module features a dual microphone design with better noise resistance and a longer recognition distance, making it relatively accurate and reliable even in noisy environments. It comes with a built-in speaker and an external speaker interface for real-time voice feedback on recognition results.

For instance, one can wake up a voice assistant using a wake-up word, and the assistant promptly responds and begins learning or utilizing command words. When learning or deleting command words, the voice assistant also provides immediate feedback on the success of the operation. This greatly enhances the user's experience and convenience.

High Compatibility

Wiring Diagram of Voice Recognition Module, Arduino Uno, and LED Light Module - I2C

Wiring Diagram of Voice Recognition Module, Arduino Uno, and LED Light Module - UART

The module boasts high compatibility, supporting both I2C and UART communication methods, while also being compatible with various 3.3V or 5V controllers, such as micro:bit, Arduino (Arduino UNO, Arduino Leonardo, Arduino MEGA), Raspberry Pi, FireBeetle ESP32 series, and more. This provides a flexible solution for building smart home systems, robotics projects, and more.

SPECIFICATION

Operating Voltage	3.3 - 5V
Maximum Operating Current	=370 mA (5V)
Communication	I2C/UART
2C Address	0x64
Fixed Command	121
Fixed Wake-up Command	1
Custom Command	17
Learning Activation Command	1
Onboard Microphone Sensitivity	-28db
Module Size	49×32 mm/1.93×1.26”

Creative Applications: Unleash your creativity in voice-controlled projects, including smart home appliances, toys, lamps, and robotics, with this compact module sized at 49x32mm, perfect for embedding in various applications. Dual Microphone Design: Experience enhanced noise resistance and longer recognition distance with the module's dual microphone setup, ensuring reliable voice recognition even in noisy environments. Real-time Voice Feedback: Stay informed with the built-in speaker and external speaker interface that provide immediate voice feedback on recognition results, enhancing user experience and interaction. Versatile Compatibility: Easily integrate this module into your projects with its support for I2C and UART communication methods, compatibility with 3.3V/5V controllers, and various platforms like Arduino, Raspberry Pi, and ESP32. Offline Voice Recognition: Enjoy quick response with this module's offline voice recognition, featuring 121 built-in fixed command words and 17 customizable commands, no internet connection required.