ESP32-S3-WROOM-1-N4R2

Overview

The ESP32-S3-WROOM-1-N4R2 is a high-performance Wi-Fi and Bluetooth 5.0 (LE) module powered by a dual-core Xtensa LX7 processor running at up to 240 MHz. This variant features 4MB of external SPI flash and 2MB of additional pseudo-static RAM (PSRAM) to support memory-intensive applications. It includes specialized instructions for acceleration of artificial intelligence workloads and signal processing, making it a powerful choice for modern IoT deployments.

Why Choose This Part

This module provides a significant performance boost over the original ESP32 series with its LX7 cores and dedicated AI instructions. The inclusion of 2MB of PSRAM addresses the memory limitations often found in standard IoT modules, while the integrated PCB trace antenna and 41-SMD package simplify RF design for rapid hardware integration.

Applications

Getting Started

Development is primarily supported through the Espressif IoT Development Framework (ESP-IDF) or the Arduino IDE with the ESP32 core. Engineers can quickly prototype using the ESP32-S3-DevKitC-1 development board. The module features a built-in USB Serial/JTAG controller, allowing for debugging and flashing without requiring external USB-to-UART bridge ICs.

Dev Boards

Development boards and breakout modules featuring the ESP32-S3-WROOM-1-N4R2 or compatible chips — ready to use for prototyping.

Arduino Nano ESP32 Arduino

The Arduino Nano ESP32-S3 (ABX00083) is an advanced microcontroller platform featuring the powerful Xtensa® processor co

Digi-Key Mouser 3,289 in stock

Arduino Nano ESP32 Arduino

The Arduino ABX00092 is an microcontroller board featuring the powerful ESP32-S3 microcontroller with an Xtensa® core pr

Digi-Key 591 in stock

Arduino Nano ESP32-S3 Arduino

Arduino Nano ESP32 — ESP32-S3 based, WiFi + BLE, USB-C, Arduino Cloud compatible.

ESP32-S3-DevKitC-1U-N8R8 Espressif Systems

The ESP32-S3-DEVKITC-1U-N8R8 from Espressif Systems is an evaluation board designed for wireless communication applicati

Digi-Key Mouser 689 in stock

ESP32-S3-DevKitC-1 Espressif Systems

Development board based on the ESP32-S3 family when you need additional AI/ML or USB functionality.

Mouser 1,051 in stock

ESP32-S3-WROOM Family

Comparing specs that differ across variants. The current part is highlighted.

Also Consider

ESP32-S3-WROOM-1-N8R8 Espressif Systems - Provides 8MB of Flash and 8MB of PSRAM for projects requiring even larger memory buffers or firmware storage.

ESP32-C3-WROOM-02-N4 Espressif Systems - A cost-optimized, single-core RISC-V alternative for simpler IoT tasks that do not require the LX7 performance or PSRAM.

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