EmbeddedRelated.com
The 2026 Embedded Online Conference
ESP32-S3-WROOM-1-N8R2

ESP32-S3-WROOM-1-N8R2

Espressif
Higher-pin-count ESP32-S3 module option with more I/O exposed and a larger reference design if you need additional peripherals.
6,903 in stock

Overview

The ESP32-S3-WROOM-1-N8R2 is a powerful Wi-Fi and Bluetooth LE 5.0 module powered by a dual-core 32-bit Xtensa LX7 microprocessor running up to 240 MHz. This specific variant features 8MB of Flash and 2MB of PSRAM, providing ample overhead for complex firmware and data-intensive IoT applications. It includes an integrated PCB trace antenna and exposes a high pin count for interfacing with diverse peripherals including USB and camera sensors.

Why Choose This Part

This module provides a significant memory boost over standard variants with 8MB of Flash and 2MB of PSRAM, which is essential for projects involving larger RTOS builds or frame buffers. The LX7 core includes specialized instructions for AI acceleration, making it more efficient for local data processing than previous ESP32 generations. Its integrated USB 2.0 OTG and USB-to-Serial/JTAG interfaces simplify both hardware design and on-chip debugging.

Applications

Edge AI and Voice Recognition
Utilizes the dual-core LX7 processor with vector instructions to accelerate signal processing and neural network inference locally.
HMI and Graphical Displays
Leverages the 2MB of PSRAM and LCD interface to drive color displays and complex user interfaces without exhausting internal SRAM.
IoT Gateway and Security
Acts as a central hub using Wi-Fi and Bluetooth connectivity while maintaining security via internal RTC and cryptographic hardware.
Wireless Video Streaming
The dedicated camera interface and high-speed 802.11n support enable low-resolution video capture and transmission.

Key Specifications

Protocol 802.11a/b/g/n, Bluetooth v5.0
Data Rate 150Mbps
Frequency 2.4GHz
Memory Size 8MB Flash, 384kB ROM, 2MB SRAM
Antenna Type PCB Trace
Serial Interfaces ADC, GPIO, I2C, I2S, SPI, PWM, UART, USB
RF Family/Standard WiFi
Utilized IC / Part ESP32-S3

Getting Started

Development is primarily supported through the Espressif IoT Development Framework (ESP-IDF) or the Arduino IDE with the ESP32 core installed. For hardware prototyping, the ESP32-S3-DevKitC-1 series provides a compatible breadboard-friendly environment. Engineers should utilize the built-in USB Serial/JTAG controller for flashing and debugging without requiring external USB-to-UART bridge ICs.

Dev Boards

Development boards and breakout modules featuring the ESP32-S3-WROOM-1-N8R2 or compatible chips — ready to use for prototyping.

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 — 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-DevKitC-1-N32R16V Espressif Systems
Multiprotocol Development Tools The ESP32-S3-DevKitC-1 is an entry-level development board equipped with ESP32-S3-WROOM-
Mouser 326 in stock
Part of ESP32 family » ESP32-S3-WROOM

ESP32-S3-WROOM Family

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

Part Number Memory Protocol Antenna Type RF Family/Standard Utilized IC / Part Sensitivity Stock
ESP32-S3-WROOM-1-N8R2 (this part) 8MB 802.11a/b/g/n, Blu.. PCB Trace WiFi S3-32 6,903
ESP32-S3-WROOM-1U-N16R8 (Espressif Systems) 16MB 802.11b/g/n, Bluet.. Antenna Not Includ.. Bluetooth, WiFi S3R8-32 -103.5dBm 5,856
ESP32-S3-WROOM-1-N4 (Espressif Systems) 4MB 802.11b/g/n, Bluet.. PCB Trace Bluetooth, WiFi S3-32 -103.5dBm 4,431
ESP32-S3-WROOM-1U-N4 (Espressif Systems) 4MB 802.11b/g/n, Bluet.. Antenna Not Includ.. Bluetooth, WiFi S3-32 -103.5dBm 356
ESP32-S3-WROOM-1-N4R2 (Espressif Systems) 4MB 802.11b/g/n, Bluet.. PCB Trace Bluetooth, WiFi S3R2-32 -103.5dBm 566
ESP32-S3-WROOM-1 (Espressif Systems) 4MB 802.11b/g/n, Bluet.. PCB Trace Bluetooth, WiFi S3-32 -103.5dBm 4,206
ESP32-S3-WROOM-1-N8R8 (Espressif Systems) 8MB 802.11b/g/n, Bluet.. PCB Trace Bluetooth, WiFi S3R8-32 -104.5dBm 6,215
ESP32-S3-WROOM-1U-N4R2 (Espressif Systems) 4MB 802.11b/g/n, Bluet.. Antenna Not Includ.. Bluetooth, WiFi S3R2-32 -103.5dBm 603
Also available as: ESP32-S3-WROOM-1-N8, ESP32-S3-WROOM-1-N4R8, ESP32-S3-WROOM-1U-N8, ESP32-S3-WROOM-1-N16R8, ESP32-S3-WROOM-1U, ESP32-S3-WROOM-1-N16

Also Consider

ESP32-S3-WROOM-1-N16R8 Espressif Systems - Select this variant if the application requires significantly more PSRAM (8MB) and double the Flash storage (16MB).
ESP32-WROOM-32E-N8 Espressif Systems - A more cost-effective alternative for simpler IoT tasks that do not require the S3 specific AI instructions or native USB support.
The 2026 Embedded Online Conference