The ESP32-S3-Nano development board is built around the ESP32-S3R8 microcontroller, featuring a high-performance XTENSA 32-bit LX7 dual-core processor with a clock speed of up to 240MHz. Designed with the Arduino Nano form factor, this board is suitable for compact IoT, robotics, and embedded projects. It includes 512KB RAM, 384KB ROM, 8MB PSRAM, and 16MB of Flash memory. The board supports 2.4GHz Wi-Fi and Bluetooth Low Energy (BLE) connectivity. It is compatible with both Arduino and MicroPython programming environments and supports HID functionality for USB device simulation. Hardware features include a USB Type-C connector for power and programming, a 2.4G ceramic antenna, an integrated 3.3V voltage regulator, a reset button, and programmable RGB and power status LEDs.