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

Overview

ESP32-S3-WROOM-1 is a Wi-Fi + Bluetooth Low Energy module based on Espressif Systems' ESP32-S3 family, intended for heavier edge workloads that benefit from improved AI/accelerator and peripheral performance. The module packages the RF front end, crystal, flash, and antenna/interface landings to simplify integration into products. It targets edge devices that need on-device ML acceleration, audio/voice processing, and robust wireless connectivity.

Why Choose This Part

The module form factor integrates RF components and antenna options to reduce RF design effort and shorten time to market. ESP32-S3 brings improved peripheral throughput and AI/vector instructions compared with prior ESP32 variants, making it practical for on-device ML and heavier signal-processing tasks. Strong tooling and software ecosystem from Espressif (Espressif IDF, Arduino core, PlatformIO) speed development and prototyping.

Applications

On-device ML inference

Run small neural nets (wake-word detection, keyword spotting, sensor fusion) at the edge using the S3 family hardware acceleration and vector extensions.

Voice and audio peripherals

Handle audio capture and preprocessing (PDM/I2S) for voice interfaces, keyword detection, and streaming to cloud services.

Smart home hubs and edge gateways

Act as a Wi-Fi/BLE-enabled controller for sensors, actuators, and local decision-making to reduce cloud round trips.

Battery-powered BLE sensors and actuators

Implement low-power Bluetooth LE peripherals with local processing to extend battery life and add intelligence.

USB-enabled peripherals and HID devices

Use native USB support (when exposed on the module/board) for device classes such as keyboards, mice, or serial interfaces.

Key Specifications

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

Data Rate 150Mbps

Frequency 2.4GHz

Memory Size 4MB Flash, 384kB ROM

Sensitivity -103.5dBm

Antenna Type PCB Trace

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-S3

Current - Receiving 95mA ~ 97mA

Operating Temperature -40degC ~ 85degC (TA)

Current - Transmitting 285mA ~ 355mA

Getting Started

Use Espressif's Espressif IoT Development Framework (ESP-IDF) or the Arduino-ESP32 core and tools such as esptool for flashing. Common dev boards and evaluation kits based on the ESP32-S3 (for example the Espressif DevKitC-S3 series) provide USB-based programming and exposed headers for peripherals. When integrating the module into a product, pay attention to antenna keepout, ground and supply decoupling, and supply sequencing recommendations from Espressif's module documentation.

Dev Boards

Development boards and breakout modules featuring the ESP32-S3-WROOM-1 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 740 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 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 (this part)	4MB	802.11b/g/n, Bluet..	-103.5dBm	PCB Trace	Bluetooth, WiFi	S3-32	4,206
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	11,802
ESP32-S3-BOX	—	—	—	—	—	S3-32	119
ESP32-S3-DevKitC-1U-N8R8	—	—	—	—	—	S3-32	740
ESP32-S3-WROOM-1U-N4	4MB	802.11b/g/n, Bluet..	-103.5dBm	Antenna Not Includ..	Bluetooth, WiFi	S3-32	356
ESP32-S3-USB-OTG	—	—	—	—	—	S3-32	99
ESP32-S3-KORVO-2	—	—	—	—	—	S3-32	6
ESP32-S3-WROOM-1-N8R8	8MB	802.11b/g/n, Bluet..	-104.5dBm	PCB Trace	Bluetooth, WiFi	S3R8-32	6,215
ESP32-S3-MINI-1-N8 (Espressif)	8MB	802.11b/g/n, Bluet..	-104.5dBm	PCB Trace	Bluetooth, WiFi	S3R8-32	4,188
ESP32-S3-WROOM-1-N8R2 (Espressif)	8MB	802.11a/b/g/n, Blu..	—	PCB Trace	WiFi	S3-32	6,903
ESP32-S3-WROOM-1U-N4R2	4MB	802.11b/g/n, Bluet..	-103.5dBm	Antenna Not Includ..	Bluetooth, WiFi	S3R2-32	603

Also available as: ESP32-S3-DevKitC-1, ESP32-S3-WROOM-1-N8, ESP32-S3-WROOM-1-N4R8, ESP32-S3-WROOM-1U-N8, ESP32-S3-WROOM-1-N16R8, ESP32-S3-DevKitC-1-N32R16V, ESP32-S3-MINI-1, ESP32-S3, ESP32-S3-WROOM-1U

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