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ESP32-S3-WROOM-1U-N8R2

ESP32-S3-WROOM-1U-N8R2

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

The ESP32-S3-WROOM-1U-N8R2 is a high-performance Wi-Fi and Bluetooth LE 5.0 module powered by a dual-core Xtensa LX7 processor running up to 240MHz. It features 8MB of Flash and 2MB of PSRAM, with an integrated U.FL connector for external antenna applications requiring improved range or custom enclosures. This module is specifically designed for AIoT applications, offering hardware acceleration for neural network computing and signal processing.

Why Choose This Part

The module provides significant computational headroom with its dual-core architecture and dedicated AI acceleration instructions. It includes a rich set of 36 GPIOs and diverse peripherals like USB 2.0 OTG, CAN, and 20 ADC channels, while maintaining low power consumption with an 18uA deep-sleep mode.

Applications

Edge AI and Computer Vision
Leverages the dual-core FPU and vector instructions for local image recognition and voice command processing.
Industrial Gateway
Uses the U.FL connector for external high-gain antennas to maintain reliable connectivity in RF-shielded environments.
Smart Home Hub
Acts as a central controller using Wi-Fi and Bluetooth LE to bridge local sensors and cloud services.
HMI Control Panels
Utilizes the LCD and Camera interfaces alongside 2MB PSRAM to drive graphical user interfaces and video streaming.

Key Specifications

Protocol 802.11b/g/n, Bluetooth v5.0
Data Rate 150Mbps
Frequency 2.4GHz
Memory Size 8MB Flash, 384kB ROM, 2MB 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-S3R2
Current - Receiving 95mA ~ 97mA
Operating Temperature -40degC ~ 85degC (TA)
Current - Transmitting 285mA ~ 355mA

Getting Started

Developers can use the Espressif IoT Development Framework (ESP-IDF) or the Arduino IDE for firmware development. To begin hardware evaluation, the ESP32-S3-DevKitC-1 series provides a compatible breadboard-friendly platform. Note that an external 2.4GHz antenna with a U.FL connector is required for operation, as there is no on-board PCB antenna.

Dev Boards

Development boards and breakout modules featuring the ESP32-S3-WROOM-1U-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
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 — 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
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-N8R2 (this part) 8MB Antenna Not Includ.. S3R2-32 -40degC ~ 85degC (..
ESP32-S3-WROOM-1U-N8R8 8MB Antenna Not Includ.. S3R8-32 -40degC ~ 65degC (.. 6,836
ESP32-S3-WROOM-1-N4R2 4MB PCB Trace S3R2-32 -40degC ~ 85degC (.. 566

Also Consider

ESP32-S3-WROOM-1-N8R2 Espressif Systems - Choose this version if an integrated PCB antenna is preferred over an external U.FL connector.
ESP32-C3-WROOM-02U-N4 Espressif Systems - A RISC-V based single-core alternative for simpler IoT tasks requiring lower power and more cost-effective power profiles.