ESP32-S3 UNO Compatible
Image Gallery


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
- Connect USB Type-C
- Install Arduino IDE with ESP32-S3 support
- Select "ESP32-S3 UNO" from board menu
- 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.
Documentation
Revision History
| Version | Date | Notes |
|---|---|---|
| v1.0 | 2026-06 | Initial entry |
