The VC-02 is a low-cost pure offline speech recognition module by Ai-Thinker, featuring the US516P6 voice chip. It supports recognition of 150 commands in Chinese and English without internet connectivity, making it ideal for voice-controlled applications.

Operating Voltage: 3.6V ~ 5V Processor: 32-bit RISC core at 240MHz Voice Chip: US516P6 Supported Languages: Chinese and English Command Capacity: 150 offline instructions Communication Interfaces: UART (max 3Mbps), I2C, DAC, PWM Mounting Type: Surface Mount Package: 20-SMD Module Operating Temperature: -40°C ~ 85°C GPIO: Configurable as external interrupt input and wake-up source Special Features: DSP instruction set, FPU floating-point operation Unit

