SKU: IOWC-1391
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ESP32-WROOM-32UE Wi-Fi + Bluetooth LE MCU Development Board

₹1,572.00 (Inclusive of all taxes)
Out of Stock

The ESP32-WROOM-32UE is a feature-rich development board built around the Espressif ESP32 dual-core MCU, integrating 2.4GHz Wi-Fi and dual-mode Bluetooth for IoT prototyping. It is compatible with the Arduino IDE, ESP-IDF, and MicroPython, powered by a 3.3V/3.6V supply, making it ideal for a wide range of connected applications.

Features

  • Powered by the ESP32 dual-core Xtensa LX6 microprocessor running at 240 MHz for robust application performance.
  • Integrates 2.4GHz Wi-Fi 802.11 b/g/n and Bluetooth + BLE 4.2 connectivity for versatile wireless communication.
  • Features an external U.FL connector for attaching a high-gain antenna to extend wireless range.
  • Offers extensive I/O including GPIO, SPI, I2C, UART, ADC, and DAC pins for sensor and peripheral integration.
  • Low-power operating modes enable battery-powered IoT deployments with extended lifespan.

Out of stock

Description

The ESP32-WROOM-32UE development module is a compact, entry-level board designed for rapid IoT prototyping and product development. It is centered on the powerful ESP32 system-on-chip (SoC), which combines a dual-core processor with integrated 2.4 GHz radio transceivers for Wi-Fi and Bluetooth/BLE. This board provides the essential hardware to develop standalone connected devices or to add wireless functionality as a co-processor to a host microcontroller via UART or SPI interfaces.

Its architecture is optimized for flexible deployment, supporting both Access Point and Station modes for creating or joining local networks. With substantial onboard memory (448 KB ROM, 520 KB SRAM) and a rich set of peripheral interfaces, it can handle demanding tasks like data processing, sensor networks, and multimedia streaming. The inclusion of a U.FL antenna connector is a key differentiator, allowing developers to easily attach an external antenna for improved signal strength and range in challenging RF environments.

Key Features

  • Dual-core 32-bit LX6 CPU provides high computational performance for complex IoT applications.
  • Integrated 2.4GHz Wi-Fi (802.11 b/g/n) and dual-mode Bluetooth (Classic & Low Energy 4.2) on a single chip.
  • U.FL (IPEX) connector enables easy connection of external antennas for enhanced wireless coverage.
  • Comprehensive development support via Arduino Core, ESP-IDF, MicroPython, and PlatformIO ecosystems.
  • Rich peripheral set includes GPIO, touch sensors, Hall sensor, ADC, DAC, and multiple serial interfaces.
  • Advanced power management features ultra-low-power sleep modes for battery-operated designs.
  • Secure boot and flash encryption hardware accelerators enhance application security.

Applications

  • Smart home automation hubs, switches, and sensor nodes.
  • Industrial IoT (IIoT) for data acquisition, telemetry, and wireless control.
  • Wearable health monitors and portable medical devices.
  • Prototyping connected consumer products and interactive art installations.
  • Building wireless sensor networks for environmental monitoring.

Technical Specifications

Microcontroller / SoCEspressif ESP32 (Xtensa dual-core 32-bit LX6)
CPU Frequency240 MHz
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth 4.2 BR/EDR & BLE
Frequency Range2.4 GHz ISM Band
Memory448 KB ROM, 520 KB SRAM
Supply Voltage3.3V - 3.6V
Operating CurrentUp to 500 mA (typical)
InterfacesGPIO, SPI, I2C, UART, I2S, ADC, DAC, Touch Sensor
Antenna ConnectorU.FL (IPEX) for external antenna
Operating Temperature-40°C to +85°C
DimensionsApprox. 18mm x 25.5mm (module)

Frequently Asked Questions

How do I program the ESP32-WROOM-32UE development board?

You can program the board using the Arduino IDE with the ESP32 core installed, Espressif's official ESP-IDF framework for advanced features, or MicroPython for scripting. Connect the board via a USB-to-serial adapter using the TX, RX, GPIO0, and EN pins for flashing. Ensure you select the correct board variant (ESP32 Dev Module) and COM port in your development environment before uploading your sketch or firmware.

What is the purpose of the U.FL connector on this module?

The U.FL (IPEX) connector allows you to attach an external 2.4GHz antenna, which can significantly improve the Wi-Fi and Bluetooth range and reliability compared to the onboard PCB antenna. This is crucial for applications where the device is placed inside an enclosure, in a metal cabinet, or at the edge of network coverage. You will need a compatible U.FL to SMA pigtail cable to connect to standard antenna types.

What are the power requirements for the ESP32-WROOM-32UE module?

The module requires a stable 3.3V DC power supply, typically regulated from a 5V USB source or a LiPo battery via a 3.3V regulator. The operating current can peak up to 500mA during RF transmission, so your power source must be capable of delivering this current. For battery operation, utilize the ESP32's deep sleep modes, which reduce current consumption to microamps, dramatically extending operational life.

Package Includes

  • 1 x ESP32-WROOM-32UE Development Board Module

Additional Information

Weight 0.01 kg
Dimensions 6 × 8 × 2 cm