ESP32-C3 AI Conversational Voice Development Board with 0.96-Inch OLED
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Description
The ESP32-C3 AI Conversational Voice Development Board is an all-in-one voice module equipped with 2.4 GHz Wi-Fi and an integrated 0.96-inch OLED display. It connects directly with leading large language models such as DeepSeek, Qwen, and Doubao to enable intelligent, interactive voice dialogue. This board is ideal for makers, students, and hobbyists building connected smart assistant and voice interaction projects.
Intelligent voice processing
The board supports integration with mainstream AI models, including DeepSeekV3, Qwen2.5, QwenMax2.5, and Doubao (1.5 Professional Edition). It delivers multilingual access and supports regional voice chat services across supported locations, including South Africa.
Onboard audio and display
Clear audio is handled by a dedicated ES8311 audio chip paired with an NS4150B amplifier. Sound is output through an included 8-ohm 2 W 3514 cavity speaker, and real-time visual feedback is shown on the integrated 0.96-inch OLED screen.
Power and expansion interfaces
Featuring an LGS4056 single-cell lithium battery management chip, the board accepts power via a standard 1.25 mm battery connector. External components can be wired via breakout pins providing U0RXD, U0TXD, 3V3, GND, and VSys.
What is included
The package contains 1x ESP32-C3 AI voice development board.
Downloads
Specifications
| Device | Voice Module |
| Type | ESP32-C3 | AI | Conversational |
| Main controller | ESP32-C3 |
| Wi-Fi | 2.4GHz |
| Flash memory | 16MB NOR Flash |
| Audio chip | ES8311 |
| Amplifier | NS4150B |
| Display | 0.96-inch OLED screen |
| Power chip | LGS4056 (single lithium battery) |
| Speaker | 3514 ultra-thin cavity speaker (8 ohms, 2 watts) |
| Battery interface | 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 |
| Working temperature | -20 °C to 85 °C |
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