The BMT ESP32-C3 AI Voice Development Board is a compact and powerful AI conversational voice module designed for smart applications, learning, and prototype development. Built around the ESP32-C3 controller, this board supports stable Wi-Fi connectivity and integrates with mainstream AI voice models such as XIAOZHI, DeepSeek, Doubao, and Qwen, providing a rich interactive voice experience.
Equipped with a 0.96-inch OLED display and a built-in audio system (ES8311 + NS4150B), it delivers clear, high-quality sound. The board supports multilingual voice access, enabling AI-powered dialogue and services across major regions. Its compact size, low power consumption, and expandable interfaces make it ideal for developers working on smart home devices, AI assistants, and interactive projects.
Key Features
Controller: ESP32-C3, single-core 32-bit RISC-V processor
Connectivity: Wi-Fi 2.4GHz for stable data communication
Memory: 16MB NOR Flash
Audio System: ES8311 audio chip + NS4150B amplifier
Speaker: Default 3514 ultra-thin cavity speaker (8 , 2W), upgradable to ~3W
Display: 0.96-inch OLED screen for interactive feedback
Power: Single lithium battery via LGS4056 charging chip, standard 1.25mm interface
Expansion Interfaces: U0RXD, U0TXD, VSys+GND (~4.5V), 3V3+GND
Supported AI Models: Qwen2.5, DeepSeekV3, Doubao 1.5 Professional Edition, QwenMax2.5
Voice Chat Regions: China (+86), US/Canada (+1), UK (+44), Europe, Australia, New Zealand, Southeast Asia, Middle East, Africa, Latin America (full region list included)
Operating Temperature: -20 C to +85 C (ensure proper heat dissipation for prolonged use)
Applications
AI conversational assistants
Smart home voice control
Multilingual interactive devices
Educational and research projects
Voice-enabled IoT devices
This development board enables developers to prototype AI voice applications quickly and efficiently, combining display, audio, and network capabilities in a single, compact platform.
What's in the box
1 x BMT ESP32-C3 AI Voice Development Board - Conversational AI with OLED Display
