Name: ESP32-S3-WROOM-1-N8
Brand: Espressif Systems

Overview

ESP32-S3-WROOM-1-N8 is an Espressif Wi-Fi + Bluetooth LE module based on the ESP32-S3 family, populated with 8 MBytes of SPI flash to support larger firmware and OTA updates. It provides a compact, FCC/CE-friendly module form factor that reduces RF development and certification effort. The module is intended for embedded IoT endpoints that need more flash capacity than smaller variants.

Why Choose This Part

The 8 MB onboard SPI flash gives more room for complex firmware, libraries, file storage, and robust OTA schemes compared with smaller-flash variants. As a certified module from Espressif it reduces RF layout and regulatory effort and simplifies BOM by integrating the wireless subsystem. The ESP32-S3 family targets modern IoT use cases with native wireless and peripherals, making this module a practical choice when you need higher flash capacity in a small, production-ready package.

Applications

OTA-capable IoT endpoints

Devices that require large firmware images or multiple update partitions for robust over-the-air firmware updates.

Edge ML and sensor processing

On-device signal processing, keyword spotting, or lightweight ML inference where local compute and extra flash storage are useful.

Smart home and connected appliances

Wi-Fi/BLE connectivity for consumer devices, hubs, and sensors that need reliable wireless and room for complex application code.

Prototyping with Arduino or ESP-IDF

Rapid development and proof-of-concept designs using Arduino core or Espressif SDKs where extra flash prevents storage bottlenecks.

Getting Started

Use Espressif development boards (for example the ESP32-S3 DevKit series) or a module breakout with USB-UART for initial bring-up. Develop with Espressif ESP-IDF or the ESP32 Arduino core; Espressif provides flash and debug tools and documentation on their website. Ensure you provide a stable 3.3 V supply, observe recommended antenna clearance and grounding from the module datasheet, and enable the module's boot-mode GPIO wiring for flashing.

Dev Boards

Development boards and breakout modules featuring the ESP32-S3-WROOM-1-N8 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-S3 Arduino

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

ESP32-S3-DevKitC-1-N8R8 Espressif Systems

The ESP32-S3-DEVKITC-1-N8R8 from Espressif Systems is a development board designed for RF, RFID, and wireless applicatio

Digi-Key Mouser 475 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 477 in stock

ESP32-S3-WROOM Family

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

Part Number	Memory	Protocol	Sensitivity	Antenna Type	RF Family/Standard	Utilized IC / Part	Stock
ESP32-S3-WROOM-1-N8 (this part)	—	—	—	—	—	—	4,043
ESP32-S3-WROOM-1U-N16R8	16MB	802.11b/g/n, Bluet..	-103.5dBm	Antenna Not Includ..	Bluetooth, WiFi	S3R8-32	5,856
ESP32-S3-WROOM-1-N4	4MB	802.11b/g/n, Bluet..	-103.5dBm	PCB Trace	Bluetooth, WiFi	S3-32	4,969
ESP32-S3-WROOM-1U-N4	4MB	802.11b/g/n, Bluet..	-103.5dBm	Antenna Not Includ..	Bluetooth, WiFi	S3-32	356
ESP32-S3-WROOM-1	4MB	802.11b/g/n, Bluet..	-103.5dBm	PCB Trace	Bluetooth, WiFi	S3-32	4,206
ESP32-S3-WROOM-1-N8R8	8MB	802.11b/g/n, Bluet..	-104.5dBm	PCB Trace	Bluetooth, WiFi	S3R8-32	6,215
ESP32-S3-WROOM-1-N8R2 (Espressif)	8MB	802.11a/b/g/n, Blu..	—	PCB Trace	WiFi	S3-32	6,903