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

Features
User-Friendly: Plug and play, compatible with Arduino UNO, micro:bit, and ESP32.
121 Pre-Programmed Commands: Ready for immediate use without any setup.
Self-Learning Capability: Supports the addition of 17 customized command words.
Offline Operation, Enhanced Privacy: No network required.
High Integration: Includes an onboard speaker and microphone.
Instant Voice Feedback: Provides real-time recognition results.
Applications
Voice recognition interaction
Voice-controlled terminal
Competition and project development