The Waveshare ESP32-S3 Nano is a powerful and ultra-compact development board based on the ESP32-S3 dual-core processor. It’s designed for developers building IoT, AIoT, and embedded AI projects. With native support for Wi-Fi, Bluetooth 5 (LE), USB OTG, and AI acceleration, this board fits a full-featured microcontroller into a Nano-sized form factor—perfect for space-constrained applications.

Key Features:

• Dual-Core Xtensa LX7 CPU @ 240MHz – High-performance processing
• Wi-Fi + Bluetooth 5 (LE) – Seamless connectivity for IoT solutions
• AI Acceleration – Ideal for lightweight edge-AI applications
• USB Type-C & USB OTG Support – Fast and easy programming and communication
• Breadboard-Friendly Nano Size – Fits perfectly in compact hardware setups

Specifications:

• MCU: ESP32-S3R2 (Xtensa® dual-core LX7 @ 240MHz)
• Flash: 16MB NOR Flash
• PSRAM: 8MB
• Wireless: Wi-Fi 802.11 b/g/n + Bluetooth 5 (LE)
• USB: USB Type-C (supports USB 2.0 OTG)
• I/O Pins: 23x GPIOs (includes SPI, I2C, UART, ADC, PWM, etc.)
• ADC Channels: Up to 20 channels
• USB-to-UART: Onboard CH343 chip
• Operating Voltage: 3.3V (I/O level)
• Power Input: 5VDC via USB-C
• Development Support: Arduino, MicroPython, ESP-IDF

AI Capabilities:

• Supports TensorFlow Lite and ESP-DL for on-device AI
• Great for speech recognition, gesture detection, and image classification

Connectivity Options:

• SPI, I2C, UART, I2S
• PWM, ADC, DAC
• GPIO Interrupts, RMT, LEDC

Applications:

• IoT Gateways and Nodes
• Smart Voice Assistants
• Edge-AI and ML Projects
• Home Automation & Security Systems
• Prototyping and Embedded Development