This ESP32-S3 AI voice chatbot development kit features the Espressif ESP32-S3 dual-core RISC-V main control chip with a maximum clock speed of 240MHz. It includes a built-in AI computing acceleration unit and supports dual-mode wireless communication via WiFi and Bluetooth 5.3. Specifically designed for voice recognition and lightweight AI computation, it integrates a full set of practical peripherals, offering convenient wiring and strong expandability.
The development board supports both offline local voice wake-up recognition and cloud-based large-model online AI dialogue modes. It can execute custom voice commands offline, and when connected to the internet, it enables intelligent chat, knowledge quizzes, voice translation, content playback, and other human-computer interactions. The hardware features stable noise reduction and high recognition sensitivity. It is compatible with both Arduino C and MicroPython, two mainstream programming systems, allowing even beginners to learn step-by-step. It is ideal for university microcontroller training, maker competitions, and DIY R&D for electronics enthusiasts. It is a cost-effective all-in-one hardware learning kit for beginners in AI programming, IoT, and embedded development.
Product parameters:
| Category | Specifications |
| Board Appearance | 120mm × 62mm Class A PCB, ENIG (Electroless Nickel Immersion Gold) finish |
| Yellow full-copper gold-plated pin headers, durable and long-lasting | |
| Module | ATK_MWS3S module, 36 available IOs |
| Main frequency: 240MHz ｜ Dual-core ｜ WiFi & Bluetooth supported | |
| Internal ROM: 384K ｜ SRAM: 512K ｜ FLASH: 16MB ｜ PSRAM: 8MB | |
| 3 UARTs ｜ 6 Timers ｜ ADC: 2 units, 20 channels | |
| Storage | MExpanded EEPROM |
| TF card slot | |
| Communication | USB to UART |
| Wireless module interface | |
| USB Slave | |
| IR receiver / IR transmitter | |
| Sensors | Ambient light sensor |
| Camera interface | |
| 3-axis sensor | |
| 1 digital temperature sensor port, supports DS18B20 and DHT11 | |
| HMI | RGB LCD interface, supports RGB interface LCD screens |
| 1 Buzzer | |
| Wireless module interface, supports SPI_LCD screens | |
| 1 LED ｜ 5 Buttons | |
| Audio | 1 high-performance audio codec chip, supports audio playback and recording |
| Stereo speaker / headphone output jack | |
| Microphone (MEMS mic) | |
| Power | 2 USB power ports |
| One set each of 3.3V/5V power input & output pins | |
| Programming | USB Slave |
| 1 USB to TTL serial port |
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