Overview

The newest generation ESP32-S3 in UNO form factor, featuring dual-core Xtensa LX7 processor at 240 MHz with integrated WiFi and Bluetooth 5. Ideal for projects requiring both wireless connectivity and Arduino shield compatibility.

Quick Overview

Feature Detail
Processor Xtensa Dual-Core 32-bit LX7 @ 240 MHz
RAM 384 KB SRAM
Flash 4 MB
WiFi 802.11 b/g/n
Bluetooth Bluetooth 5.0 LE
Form Factor Arduino UNO
GPIO UNO-compatible pins

Key Features

  • Dual-core Xtensa LX7 processor @ 240 MHz (latest ESP32 generation)
  • Integrated WiFi 802.11 b/g/n and Bluetooth 5.0 LE
  • Arduino UNO pinout for shield compatibility
  • 4 MB Flash, 384 KB SRAM
  • USB Type-C connector
  • Enhanced performance over standard ESP32
  • Arduino IDE compatible

Technical Specifications

Specification Value
CPU Xtensa Dual-Core 32-bit LX7
Clock Speed 240 MHz
RAM 384 KB SRAM
Flash Memory 4 MB
WiFi 802.11 b/g/n @ 2.4 GHz
Bluetooth v5.0 LE
Form Factor Arduino UNO
GPIO Pins UNO-compatible layout
Operating Temp 0°C to 40°C

Getting Started

  1. Connect USB Type-C
  2. Install Arduino IDE with ESP32-S3 support
  3. Select "ESP32-S3 UNO" from board menu
  4. Upload sketches and use UNO shields as needed

Shield Compatibility

Full compatibility with Arduino UNO shields, including sensor shields, motor drivers, displays, and expansion boards.

Revision History

Version Date Notes
v1.0 2026-06 Initial entry