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ESP32-WROOM-32E-N4

ESP32-WROOM-32E-N4

Espressif Systems
Bluetooth, WiFi 802.11b/g/n, Bluetooth v4.2 +EDR, Class 1, 2 and 3 Transceiver Module 2.4GHz ~ 2.5GHz Integrated, Trace Surface Mount
Active27,830 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The ESP32-WROOM-32E-N4 is a versatile Wi-Fi and Bluetooth LE module powered by the dual-core Xtensa 32-bit LX6 microprocessor operating at up to 240 MHz. It features an integrated PCB trace antenna and 4MB of SPI flash, providing a robust wireless solution for connected devices requiring high throughput and rich peripheral support.

Why Choose This Part

This module offers a powerful 240 MHz dual-core CPU and a comprehensive RF certification suite, reducing time-to-market for wireless products. It includes 520kB of SRAM and a rich set of 18 ADC channels and 16 PWM channels for complex peripheral control.

Applications

Smart Home Automation
Ideal for smart lighting, hubs, and thermostats using simultaneous Wi-Fi and Bluetooth connectivity.
Industrial IoT Gateways
Uses 26 GPIOs and multiple serial interfaces like UART and SPI to bridge industrial sensors to the cloud.
Audio Streaming
Utilizes I2S interfaces and a 150 Mbps data rate for high-quality audio over Wi-Fi or Bluetooth Classic.
Wireless Sensor Nodes
Leverages deep-sleep modes consuming only 5uA to maximize battery life in remote monitoring applications.

Key Specifications

Protocol 802.11b/g/n, Bluetooth v4.2 +EDR, Class 1, 2 and 3
Data Rate 150Mbps
Frequency 2.4GHz ~ 2.5GHz
Modulation CCK, DSSS, OFDM
Memory Size 4MB Flash, 448kB ROM, 536kB SRAM
Sensitivity -98dBm
Antenna Type Integrated, Trace
Mounting Type Surface Mount
Package / Case 38-SMD Module
Power - Output 20dBm
Voltage - Supply 3V ~ 3.6V
Serial Interfaces ADC, GPIO, I2C, I2S, PWM, SDIO, SPI, UART
RF Family/Standard Bluetooth, WiFi
Utilized IC / Part ESP32-D0WD-V3
Operating Temperature -40degC ~ 85degC

Getting Started

Developers typically use the ESP-IDF (IoT Development Framework) or the Arduino IDE with the ESP32 core. Hardware prototyping is best started with the ESP32-DevKitC, which allows for direct USB programming and breadboard access to the module pins.

Dev Boards

Development boards and breakout modules featuring the ESP32-WROOM-32E-N4 or compatible chips — ready to use for prototyping.

Development Boards & Kits - Other Processors Seeed Studio XIAO ESP32-C6
Digi-Key Mouser 1,245 in stock
Multiprotocol Development Tools XIAO ESP32C3 3PCS Pack - RISC-V tiny MCU board with Wi-Fi and Bluetooth5.0, battery char
Mouser 77 in stock
XIAO ESP32C3 Seeed Studio
Multiprotocol Modules Seeed Studio XIAO ESP32C3
Digi-Key Mouser 2,965 in stock
Cameras & Camera Modules OV5640 Camera for XIAO ESP32S3 Sense (With Heat Sink) 8/10-bit RGB RAW Output, Auto-Focus
Mouser 90 in stock
Sequent SM-A-006 Daughter Card Kit Sequent Microsystems
Daughter Cards & OEM Boards Arduino Uno, Nano, Teensy, Feather or ESP32 Raspberry Pi Replacement Kit

ESP32-WROOM Family

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

Part Number Memory Interfaces Antenna Type Tx Power Voltage Utilized IC / Part Stock
ESP32-WROOM-32E-N4 (this part) 4MB ADC, GPIO, I2C, I2.. Integrated, Trace 20dBm 3V D0WD-32 27,830
ESP32-WROOM-32E-H4 4MB ADC, GPIO, I2C, I2.. Integrated, Trace 20dBm 3V D0WD-32 12,687
ESP32-WROOM-32UE-N4 4MB ADC, GPIO, I2C, I2.. Antenna Not Includ.. 20dBm 3V D0WD-32 582
ESP32-WROOM-32E-N16 16MB ADC, GPIO, I2C, I2.. Integrated, Trace 20dBm 3V D0WD-32 8,266
ESP32-WROOM-32E-N8 8MB ADC, GPIO, I2C, I2.. PCB Trace 20dBm 3V D0WD-32 20,366
ESP32-WROOM-32D 448k GPIO, I2C, I2S, PW.. Integrated, Trace 20.5dBm 2.7V D0WD-32 —
Also available as: ESP32-WROOM-32UE-N8R2, ESP32-WROOM-32UE-N8, ESP32-WROOM-32E-N8R2, ESP32-WROOM-32U, ESP32-WROOM-32, ESP32-WROOM-32UE-H4, ESP32-WROOM-32E, ESP32-WROOM-32UE

Also Consider

ESP32-WROOM-32UE Espressif Systems - Identical module but features a U.FL connector for an external antenna instead of a PCB trace antenna.
ESP32-C3-WROOM-02 Espressif Systems - A RISC-V based alternative for lower power and cost-sensitive applications that do not require dual cores.
ESP32-S3-WROOM-1 Espressif Systems - Offers improved AI acceleration and more GPIOs for advanced edge computing tasks.

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Microcontrollers > Nordic Semiconductor
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