Parts Wireless & Connectivity WiFi Modules ESP32 Family ESP32-S3-WROOM ESP32-S3-WROOM-1U-N8R8

ESP32-S3-WROOM-1U-N8R8

Name: ESP32-S3-WROOM-1U-N8R8
Brand: Espressif Systems

Espressif Systems

Bluetooth, WiFi 802.11b/g/n, Bluetooth v5.0 Transceiver Module 2.4GHz Antenna Not Included, U.FL Surface Mount

Active6,836 in stock

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Overview

The ESP32-S3-WROOM-1U-N8R8 is a high-performance Wi-Fi and Bluetooth 5.0 LE module powered by the Xtensa dual-core 32-bit LX7 microprocessor running up to 240 MHz. This specific variant features 8MB of Flash, 8MB of PSRAM, and a U.FL connector for an external antenna, making it suitable for compact enclosures where an internal PCB antenna would be shielded.

Why Choose This Part

This module provides a significant memory headroom with 8MB of both Flash and SRAM, enabling complex firmware and buffering for multimedia applications. The inclusion of a dedicated U.FL connector ensures flexible antenna placement, while the dual-core architecture allows for efficient multitasking between wireless stacks and application logic.

Applications

Edge AI and Machine Learning

Utilizes the built-in FPU and vector instructions to accelerate neural network computing and signal processing tasks.

Industrial IoT Gateways

The U.FL connector allows for external high-gain antennas to maintain 802.11b/g/n connectivity in challenging RF environments.

HMI and Voice Recognition

The 8MB PSRAM and LCD/Camera interfaces support rich graphical user interfaces and local voice command processing.

Key Specifications

Protocol 802.11b/g/n, Bluetooth v5.0

Data Rate 150Mbps

Frequency 2.4GHz

Memory Size 8MB Flash, 384kB ROM, 8MB SRAM

Sensitivity -103.5dBm

Antenna Type Antenna Not Included, U.FL

Mounting Type Surface Mount

Package / Case 41-SMD Module

Power - Output 20.5dBm

Voltage - Supply 3V ~ 3.6V

Serial Interfaces ADC, GPIO, I2C, I2S, SPI, PWM, UART, USB

RF Family/Standard Bluetooth, WiFi

Utilized IC / Part ESP32-S3R8

Current - Receiving 95mA ~ 97mA

Operating Temperature -40degC ~ 65degC (TA)

Current - Transmitting 285mA ~ 355mA

Getting Started

Developers can use the Espressif IoT Development Framework (ESP-IDF) or the Arduino core for ESP32. The module supports flashing and debugging via its integrated USB Serial/JTAG controller, requiring only a simple USB connection to a host PC. Ensure the supply voltage is stable between 3V and 3.6V, as Wi-Fi TX bursts can draw up to 355mA.

Dev Boards

Development boards and breakout modules featuring the ESP32-S3-WROOM-1U-N8R8 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

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Arduino Nano ESP32 Arduino

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

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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

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ESP32-S3-DevKitC-1 Espressif Systems

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

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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	Antenna Type	Utilized IC / Part	Temp Range	Stock
ESP32-S3-WROOM-1U-N8R8 (this part)	8MB	Antenna Not Includ..	S3R8-32	-40degC ~ 65degC (..	6,836
ESP32-S3-WROOM-1-N4R2	4MB	PCB Trace	S3R2-32	-40degC ~ 85degC (..	566
ESP32-S3-WROOM-1U-N8R2	8MB	Antenna Not Includ..	S3R2-32	-40degC ~ 85degC (..	—