Gravity: Offline Voice Recognition Sensor for micro:bit, Arduino, ESP32 - I2C & UART

Stufin

Gravity: Offline Voice Recognition Sensor for micro:bit, Arduino, ESP32 - I2C & UART

This product is not available in your location yet

Description: 1. Gravity: Offline Voice Recognition Sensor is an innovative IoT component designed for micro:bit, Arduino, and ESP32 platforms. It enables offline voice recognition functionality without the need for internet connectivity. 2. This sensor comes with an integrated microphone array that captures sound waves for processing, offering a high level of accuracy in recognizing spoken commands and phrases. 3. The Gravity sensor supports both I2C (Inter-Integrated Circuit) and UART (Universal Asynchronous Receiver/Transmitter) interfaces for easy connection to various microcontroller boards. 4. Users can program voice recognition models using the Google TTS (Text-to-Speech) and STT (Speech-to-Text) libraries, allowing customization of recognized commands and phrases. 5. The Gravity sensor offers a wide operating temperature range (-20°C to +85°C), making it suitable for various applications in diverse environments. 6. With its compact size and lightweight design, the Gravity sensor can be

View Technical Documentation

Specification	Details
Specification	Detail
Product Type	Offline Voice Recognition Sensor for micro:bit Arduino ESP32
Communication Interface	I2C and UART ( selectable by jumpers)
Sampling Rate	Up to 128 samples per second
Voice Recognition Accuracy	≥90% accuracy in noise-free environment
Sensitivity Adjustment	Adjustable sensitivity via onboard potentiometer
Power Supply	3.3-5V DC (regulated by onboard voltage regulator)
Operating Voltage	3.3-5V DC
Current Consumption	≤10mA at 5V ≤5mA at 3.3V
Dimensions	35mm x 22mm x 15mm (LxWxH)
Weight	≈20g
Operating Temperature	-20°C to +50°C
Storage Temperature	-40°C to +80°C
Certifications	CE RoHS
Compatibility	Compatible with micro:bit Arduino (e.g. Uno) ESP32