# AI Modules

> AI modules for facial recognition, voice recognition and voice assistants based on ESP32-S3

- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Category page: https://sigmanortec.ro/en/ai-modules
- Category: Mechatronics and IoT > Sensors and Modules > AI Modules
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:32 (Europe/Bucharest)

## Products (4)

### Facial recognition module, HLK-TX510, 3D, Binocular camera, display
- Page: https://sigmanortec.ro/en/facial-recognition-module-hlk-tx510-3d-binocular-camera-display
- Details: https://sigmanortec.ro/en/llms/p/2018.md
- Price: 479.21 RON
- Availability: In stock; 1-2 zile
- Reference: 9828 · EAN: 5943921042504

Hi-Link HLK-TX510 3D facial recognition module with two binocular cameras (IR and RGB) and an integrated 2.8 inch color LCD display. Powered via USB-C at 5V/1A, with UART, USB, MIPI and I2C interfaces. Supports up to 1000 profiles, identification time under 600 ms, success rate above 90%, 2D/3D anti-spoofing protection. RAM 64M, FLASH 16M, display resolution 480x640 pixels, dimensions 96x64mm.

### Voice recognition module, SRVR, V3
- Page: https://sigmanortec.ro/en/voice-recognition-module-srvr-v3
- Details: https://sigmanortec.ro/en/llms/p/932.md
- Price: 241.61 RON
- Availability: In stock; 1-2 zile
- Reference: 9151 · EAN: 5942337872927

Voice recognition module for Arduino and other boards, ideal for controlling projects via voice commands. Supports up to 80 learned commands and recognizes up to 7 simultaneously, is fully controlled via serial port or simplified via input pins, and GPIO outputs can generate signals for automatic actions. Includes microphone and operates at 5V with low consumption.
Voice recognition module compatible with Arduino and other development boards.
This is a voice command recognition module, which supports up to 80 voice commands and up to 7 simultaneous commands.

### AI Voice Assistant Module, ESP32 S3, Audio, Xiaozhi
- Page: https://sigmanortec.ro/en/ai-voice-assistant-module-esp32-s3-audio-xiaozhi
- Details: https://sigmanortec.ro/en/llms/p/2430.md
- Price: 157.29 RON
- Availability: In stock; 1-2 zile
- Reference: 88229 · EAN: 5946306217788
- Specifications: Microcontroller: ESP32-S3

Compact solution for projects with AI voice assistant and display, based on a dual-core ESP32-S3 at 240 MHz with 16MB Flash and 8MB PSRAM for fast response. Includes a 1.54" LCD, integrated microphone, and ES8311 audio codec for natural conversations with an external speaker. Offers 2.4 GHz Wi-Fi and Bluetooth 5 LE, and can be easily programmed via USB-C in Arduino IDE, ESP-IDF, or MicroPython.
The Xiaozhi ESP32-S3 AI module is a compact, all-in-one solution for developing smart devices with voice interaction and visual display, intended for electronics enthusiasts, developers, and hobbyists who want to explore the world of AI assistants on affordable hardware.

### AI Voice Assistant Module, with ESP32 S3, LCD 1.54inch, Audio
- Page: https://sigmanortec.ro/en/ai-voice-assistant-module-with-esp32-s3-lcd-154inch-audio
- Details: https://sigmanortec.ro/en/llms/p/2403.md
- Price: 154.70 RON
- Availability: Out of stock
- Reference: 88239 · EAN: 5941795638236
- Specifications: Screen size: 1.54 inch; Chip / Controller: ESP32-S3; Audio features: Da

Compact solution for voice assistant projects with display, based on ESP32-S3, offers Wi-Fi and Bluetooth for quick integration into smart home and prototypes, includes ES8311 audio codec with integrated microphone and speaker output, displays the conversation and status on a 1.54-inch color LCD screen, supports switching between AI models such as Qwen, DeepSeek, and Doubao via xiaozhi.me, and is easy to program via USB-C.
The Xiaozhi AI ESP32-S3 module is a compact, all-in-one solution for developing smart devices with voice interaction and visual display, designed for electronics enthusiasts, developers, and hobbyists who want to explore the world of AI assistants on affordable hardware.