Espressif ESP32-WROOM-32E-N4 Wi-Fi & Bluetooth 5.0 Module
Espressif ESP32-WROOM-32E-N4 Wi-Fi & Bluetooth 5.0 Module - Image 2
SKU: IOWC-0686
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Espressif ESP32-WROOM-32E-N4 Wi-Fi & Bluetooth 5.0 Module

₹349.00 (Inclusive of all taxes)
Out of Stock

The Espressif ESP32-WROOM-32E-N4 is a compact, certified Wi-Fi and Bluetooth 5.0 (BLE) module, ideal for embedded IoT projects requiring reliable wireless connectivity with Arduino IDE, ESP-IDF, or MicroPython.

Features

  • Dual Wireless Connectivity: Integrates 2.4 GHz Wi-Fi 4 (802.11 b/g/n) and Bluetooth 5.0 BLE for versatile IoT device development.
  • High RF Output Power: Delivers up to 20.5 dBm transmit power for extended wireless range and robust signal penetration.
  • Rich Peripheral Set: Supports I2C, I2S, SPI, PWM, UART, and USB interfaces for extensive sensor and actuator integration.
  • Low-Voltage Operation: Efficient 3.0V to 3.6V supply range suitable for battery-powered and portable applications.
  • Compact Form Factor: Measures just 25.5mm x 18mm x 3.1mm with an integrated PCB antenna for space-constrained designs.

Out of stock

Description

The ESP32-WROOM-32E-N4 is Espressif’s production-ready wireless module, built around the ESP32-D0WD-V3 dual-core Xtensa LX6 microcontroller. It provides a fully certified RF solution with an integrated PCB antenna, simplifying FCC/CE compliance for end-products. The module balances processing performance with low-power states, enabling efficient Wi-Fi and BLE connectivity for always-on sensing and control applications.

Engineered for industrial-grade reliability, it operates across a -40°C to +65°C temperature range and supports secure boot and flash encryption for robust firmware security. Its comprehensive peripheral interface suite allows direct connection to displays, sensors, and industrial buses, making it a foundational component for smart home automation, industrial telemetry, wearable tech, and consumer electronics.

Key Features

  • Certified Wi-Fi 4 (802.11 b/g/n) and Bluetooth 5.0 Low Energy (BLE) module.
  • Integrated high-performance PCB antenna for simplified RF design.
  • Dual-core Xtensa LX6 processor with clock frequencies up to 240 MHz.
  • Advanced low-power modes for extended battery life in IoT deployments.
  • Hardware-accelerated cryptography (SHA, RSA, AES) for secure connections.
  • Wide operating voltage range (3.0V - 3.6V) compatible with LiPo and regulated supplies.
  • RoHS compliant construction for environmental safety standards.
  • Moisture Sensitivity Level (MSL) rated for proper handling during assembly.

Applications

  • Smart Home Automation: Wi-Fi-connected sensors, smart switches, and lighting controllers.
  • Industrial IoT (IIoT): Wireless telemetry for equipment monitoring and predictive maintenance.
  • Wearable Devices: Fitness trackers and health monitors leveraging BLE connectivity.
  • Consumer Electronics: Voice-controlled assistants, connected toys, and multimedia devices.
  • Prototyping & Makers: Development boards and educational kits for IoT learning.

Technical Specifications

Microcontroller / SoCESP32-D0WD-V3 (Dual-core Xtensa LX6)
Wireless ProtocolsWi-Fi 4 (802.11 b/g/n), Bluetooth 5.0 BLE
Frequency Range2.4 GHz
RF Transmit PowerUp to 20.5 dBm
Data RateUp to 150 Mbps
Supply Voltage3.0V to 3.6V
Operating CurrentApprox. 240 mA (average during RF transmission)
Deep Sleep CurrentApprox. 10 µA
InterfacesI2C, I2S, SPI, PWM, UART, USB, SDIO, ADC, DAC, GPIO
Antenna ConnectorIntegrated PCB Antenna
Operating Temperature-40°C to +65°C
Dimensions (LxWxH)25.5 mm x 18 mm x 3.1 mm

Frequently Asked Questions

What development frameworks are compatible with the ESP32-WROOM-32E-N4 module?

The module is fully supported by Espressif's official ESP-IDF (IoT Development Framework) for advanced feature control and low-level programming. It is also widely compatible with the Arduino Core for ESP32 via the Arduino IDE, PlatformIO for VS Code, and MicroPython for rapid scripting. You can program it using a USB-to-Serial adapter connected to its UART (GPIO1/TXD, GPIO3/RXD) pins, following standard ESP32 flashing procedures involving GPIO0 and EN/RST pins.

How do I power the ESP32-WROOM-32E-N4 module in my project?

Supply a stable DC voltage between 3.0V and 3.6V to the VCC (3V3) and GND pins. The module can draw significant current peaks (up to 500mA) during RF transmission, so ensure your power regulator or battery can deliver at least 500mA continuous current. For battery operation, utilize the chip's deep sleep modes (consuming ~10µA) to extend life. Decoupling capacitors (e.g., 10µF and 100nF) placed close to the power pins are essential for stable operation and reducing noise.

Can I use an external antenna with this module instead of the integrated PCB antenna?

No, the ESP32-WROOM-32E-N4 variant is designed with a permanently integrated PCB antenna and does not feature an external antenna connector like an IPEX or SMA. The RF trace is internally matched to the onboard antenna. For designs requiring an external antenna, you would need to select a different module variant from Espressif, such as the ESP32-WROOM-32UE which includes an IPEX connector for attaching external antennas with higher gain.

Package Includes

  • 1 x Espressif ESP32-WROOM-32E-N4 Module

Additional Information

Weight 0.03 kg
Dimensions 5 × 5 × 1 cm

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