Integrates a 51 microcontroller (STC11L08XE) onto module. Sends the recognized voice data via UART to any external device or microcontroller with a serial port. The module provides 16 IO pins for standalone use. High accuracy of speech recognition practical effect. Speaker- speech recognition technology allows dynamic editing of up to 50 keywords, enabling immediate recognition without prior training. UART Communication Version integrates a 51 microcontroller (STC11L08XE) onto module. It sends the recognized voice data via UART to any external device or microcontroller with a serial port. The module provides 16 IO pins for standalone use. The technology allows users to freely edit 50 keywords, enabling immediate recognition based on user-defined settings. Color: As Shown Material: PCB Specification: Serial version Package Contents: 1*module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.