ESP32-WROOM-32E Development Board Module w/ On-Board Antenna
ESP32-WROOM-32E Development Board Module w/ On-Board Antenna - Image 2
SKU: IOWC-1392
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ESP32-WROOM-32E Development Board Module w/ On-Board Antenna

₹1,725.00 (Inclusive of all taxes)
Out of Stock

The ESP32-WROOM-32E is a compact development board featuring the Espressif ESP32 dual-core MCU with integrated Wi-Fi and Bluetooth/BLE, designed for rapid IoT prototyping and compatible with Arduino IDE, ESP-IDF, and MicroPython.

Features

  • Powered by the ESP32-WROOM-32E module with a dual-core Xtensa LX6 processor running up to 240 MHz for demanding IoT applications.
  • Integrated 2.4 GHz Wi-Fi 802.11 b/g/n and dual-mode Bluetooth (Classic & BLE 4.2) for versatile wireless connectivity.
  • Features an on-board PCB antenna, eliminating the need for an external antenna for simplified deployment.
  • Rich I/O set including GPIO, ADC, DAC, SPI, I2C, I2S, and UART interfaces for extensive sensor and peripheral integration.
  • Low-power operation with multiple sleep modes, making it suitable for battery-powered sensor nodes and edge devices.

Out of stock

Description

The ESP32-WROOM-32E Development Board provides a complete hardware platform centered on the Espressif ESP32-WROOM-32E module. This board delivers robust processing power with its dual-core Xtensa LX6 microprocessor, capable of clock speeds up to 240 MHz, alongside 448 KB ROM and 520 KB SRAM for application code and data. Its integrated wireless transceiver supports 2.4 GHz Wi-Fi (802.11 b/g/n) and dual-mode Bluetooth (Classic and Low Energy 4.2), enabling a wide range of communication scenarios from connecting to local routers to establishing direct BLE connections with smartphones and sensors.

Designed for ease of use, the board includes an on-board PCB antenna, simplifying the RF design and allowing for a compact form factor ideal for breadboard prototyping. The exposed pin headers provide access to the ESP32’s extensive peripheral set, including capacitive touch sensors, Hall effect sensor, and multiple serial interfaces. With support for deep sleep modes and a typical operating voltage of 3.3V, it balances performance with energy efficiency for always-connected IoT endpoints.

Key Features

  • Core module based on the ESP32-WROOM-32E with integrated Wi-Fi, Bluetooth, and Bluetooth LE.
  • Dual-core Xtensa® LX6 microprocessor offers high computational performance for complex tasks like data processing and protocol stacks.
  • On-board PCB antenna provides a complete RF solution without external components.
  • Comprehensive development support via Arduino IDE, ESP-IDF, MicroPython, and PlatformIO.
  • Extensive peripheral interface including 34 programmable GPIOs, 12-bit SAR ADC, and 8-bit DAC.
  • Advanced power management features with multiple sleep modes for battery-operated applications.
  • Robust operating temperature range from -40°C to +85°C for industrial environments.
  • Breadboard-friendly design with standard 2.54mm pin spacing for rapid prototyping.

Applications

  • Smart home automation hubs, sensors, and controllers.
  • Industrial IoT (IIoT) telemetry and wireless sensor networks.
  • Wearable health monitors and fitness tracking devices.
  • Prototyping for connected consumer electronics and gadgets.
  • Wireless data loggers and environmental monitoring stations.

Technical Specifications

Microcontroller / SoCEspressif ESP32 (Xtensa dual-core LX6)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth 4.2 BR/EDR & BLE
CPU Clock Frequency80 MHz to 240 MHz (adjustable)
Operating Voltage3.3V (Recommended), 3.6V (Absolute Max)
Operating Current~500 mA (peak during RF transmission)
Memory448 KB ROM, 520 KB SRAM
Antenna ConnectorIntegrated On-Board PCB Antenna
InterfacesGPIO, ADC, DAC, Touch Sensor, SPI, I2C, I2S, UART, SDIO
Operating Temperature-40°C to +85°C
Dimensions (Board)Approx. 8 cm x 7 cm x 2 cm

Frequently Asked Questions

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

You can program the board using the Arduino IDE by installing the ESP32 board package via the Boards Manager. Alternatively, use Espressif's official ESP-IDF framework for full feature access or MicroPython for scripting. Connect the board via a micro-USB cable, select the correct COM port, and choose 'ESP32 Dev Module' as the board type in the Arduino IDE before uploading your sketch.

What is the power supply requirement for this ESP32 board?

The board operates at 3.3V logic. While it includes a voltage regulator allowing power input via the USB port (5V), the GPIO pins are 3.3V only. For stable operation, ensure your power source can provide up to 500mA, especially when the Wi-Fi radio is actively transmitting. For battery projects, connect a 3.7V LiPo to the designated pins, leveraging the board's built-in charging circuit.

Can I use an external antenna with the ESP32-WROOM-32E module?

No, the ESP32-WROOM-32E variant is designed with a permanent, integrated PCB antenna and does not have an external antenna connector (like an IPEX or SMA). For projects requiring an external antenna, you would need the ESP32-WROOM-32UE module variant, which includes a connector for attaching external antennas to potentially improve range.

What are the key differences between the ESP32-WROOM-32E and ESP32-WROOM-32UE?

The primary difference is the antenna configuration. The ESP32-WROOM-32E has a fixed on-board PCB antenna, making it more compact and simpler to use. The ESP32-WROOM-32UE features a U.FL (IPEX) connector for an external antenna, allowing for antenna swaps to use higher-gain or directional antennas for extended range or specific radiation patterns. The core silicon and features are otherwise identical.

Package Includes

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

Additional Information

Weight 0.01 kg
Dimensions 7 × 8 × 2 cm

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