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ESP32-WROOM-32E-H4

ESP32-WROOM-32E-H4

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
Active11,846 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The ESP32-WROOM-32E-H4 is a high-performance Wi-Fi and Bluetooth LE module featuring an integrated PCB trace antenna and 4MB of flash memory. Powered by the Xtensa dual-core 32-bit LX6 microprocessor, it operates at up to 240MHz and offers a robust wireless solution with 20dBm output power.

Why Choose This Part

This module provides a pre-certified wireless solution with a high sensitivity of -98dBm and a wide range of 26 GPIOs. Its dual-core architecture allows for dedicated handling of wireless stacks on one core while user applications run on the other, ensuring stable connectivity.

Applications

Smart Home Hubs
Acts as a central gateway for home automation systems, bridging Bluetooth LE sensors to Wi-Fi networks.
Industrial Monitoring
Utilizes 18 ADC channels and multiple SPI/I2C interfaces to collect and transmit sensor data in harsh environments.
IP Cameras
Handles video data streaming over 802.11n Wi-Fi with high data rates up to 150Mbps.
Connected Audio
Leverages dual-core processing and 8-bit DAC channels for basic audio streaming and playback 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 ~ 105degC

Getting Started

Developers can use the ESP-IDF framework or the Arduino IDE to program the module. Hardware prototyping is best supported by the ESP32-DevKitC, which allows for breadboard-compatible testing using a standard USB-to-UART bridge.

Dev Boards

Development boards and breakout modules featuring the ESP32-WROOM-32E-H4 or compatible chips — ready to use for prototyping.

Multiprotocol Development Tools XIAO ESP32C3 3PCS Pack - RISC-V tiny MCU board with Wi-Fi and Bluetooth5.0, battery char
Mouser 57 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
WiFi Development Tools - 802.11 HUZZAH32 - ESP32 Feather Board
Mouser 156 in stock
WiFi Development Tools - 802.11 Adafruit HUZZAH32 – ESP32 Feather Board (pre-soldered)
Mouser 139 in stock
Part of ESP32 modules family » ESP32-WROOM

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-H4 (this part) 4MB ADC, GPIO, I2C, I2.. Integrated, Trace 20dBm 3V D0WD-32 11,846
ESP32-WROOM-32UE-N16 16MB ADC, GPIO, I2C, I2.. Antenna Not Includ.. 20dBm 3V D0WD-32 1,845
ESP32-WROOM-32E-N4 4MB ADC, GPIO, I2C, I2.. Integrated, Trace 20dBm 3V D0WD-32 7,664
ESP32-WROOM-32E-N16 16MB ADC, GPIO, I2C, I2.. Integrated, Trace 20dBm 3V D0WD-32 13,112
ESP32-WROOM-32UE-N4 4MB ADC, GPIO, I2C, I2.. Antenna Not Includ.. 20dBm 3V D0WD-32 582
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-32E-N8 Espressif Systems - An identical module but with 8MB of flash for applications requiring larger firmware images or data storage.
ESP32-WROVER-E Espressif Systems - Features additional 8MB of PSRAM for memory-intensive tasks like image processing or large audio buffers.
ESP32-C3-WROOM-02 Espressif Systems - A RISC-V based alternative that is more cost-effective for simpler IoT applications not requiring dual-core performance.

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Categories

Wireless & Connectivity > WiFi Modules IoT & Smart Devices > IoT Modules & SoCs IoT & Smart Devices > Smart Home & Building