ESP32-S3 UNO Development Board WiFi Bluetooth

ESP32-S3 UNO-Style Dev Board with WiFi, BLE & Multiple Memory Variants

The ESP32-S3 UNO Development Board is a powerful, compact microcontroller board based on Espressif’s ESP32-S3 chipset, designed in an Arduino UNO-compatible form factor for easy prototyping and integration. Featuring built-in WiFi 802.11 b/g/n and Bluetooth Low Energy (BLE 5.0), this board is ideal for IoT, AIoT, smart devices, robotics, automation, and embedded projects.

Available in multiple memory variants — N8R2, N16R8, and N16R8 + External Antenna — this board offers flexibility for applications ranging from basic IoT nodes to memory-intensive firmware and AI tasks. The USB-C interface ensures fast programming and power delivery, while the rich GPIO set supports sensors, displays, motors, and communication modules.

With native USB support, high processing power, and broad development ecosystem support (Arduino IDE, ESP-IDF, MicroPython), the ESP32-S3 UNO board is a future-ready choice for both beginners and advanced developers.

Key Features

• ESP32-S3 Dual-Core MCU – High performance Xtensa® LX7 processor

• Built-in WiFi + Bluetooth BLE 5.0 – Wireless connectivity ready

• Multiple Memory Variants – Choose as per application needs

• UNO Form Factor – Easy compatibility with shields & breadboards

• USB-C Interface – Programming, debugging & power via single cable

• Native USB OTG Support – HID, CDC & custom USB devices

• Rich GPIO & Peripherals – SPI, I²C, UART, PWM, ADC, Touch, etc.

• Ideal for IoT & AI Projects – Smart home, automation, robotics

Variants & Memory Configuration

• N8R2 – 8 MB Flash + 2 MB PSRAM

• N16R8 – 16 MB Flash + 8 MB PSRAM

• N16R8 + Antenna – 16 MB Flash + 8 MB PSRAM with External Antenna Connector (for extended range)

Specifications

• MCU: ESP32-S3 (Xtensa LX7 Dual-Core, up to 240 MHz)

• Wireless: WiFi 2.4 GHz + Bluetooth Low Energy (BLE 5.0)

• Flash Memory: 8 MB / 16 MB (variant dependent)

• PSRAM: 2 MB / 8 MB (variant dependent)

• USB: USB-C, native USB support

• Logic Level: 3.3 V

• Form Factor: Arduino UNO compatible layout

• Programming: Arduino IDE, ESP-IDF, MicroPython

Applications

• IoT & smart home devices

• AI & vision-based projects (ESP32-S3 optimized)

• Robotics & automation

• Wireless sensor networks

• USB HID & custom USB devices

• Educational & prototyping platforms

Pinouts & Drawings