SKU: SENS-2977
📋 GST Invoice Available

DFRobot FireBeetle 2 ESP32-UE N16R2 IoT Microcontroller - Dual-Core 240MHz, 16MB Flash, 2MB PSRAM, External Antenna Support

₹2,099.00 (Inclusive of all taxes)
Out of Stock

The DFRobot FireBeetle 2 ESP32-UE (N16R2) is a feature-rich IoT microcontroller based on the Espressif ESP32-WROOM-32UE-N16R2 module, integrating a 240MHz dual-core processor, 16MB Flash, and 2MB PSRAM for demanding embedded applications. It supports external Bluetooth 5.1 and 2.4GHz WiFi antennas for extended range and is compatible with Arduino IDE, ESP-IDF, and MicroPython for rapid prototyping.

Features

  • Dual-core ESP32-WROOM-32UE-N16R2 module with 240MHz clock speed, 16MB Flash, and 2MB PSRAM for high-performance IoT tasks.
  • Supports external high-gain 2.4GHz WiFi and Bluetooth 5.1 (BR/EDR/BLE) antennas for superior communication range and reliability.
  • Onboard GDI display interface, PH2.0 Li-ion battery connector, and dual-power supply with automatic switching for portable and embedded designs.
  • Compact form factor (60mm x 25.4mm) with full FireBeetle V2 series pin compatibility for easy integration into space-constrained projects.
  • Multi-framework development support including Arduino IDE, ESP-IDF, and MicroPython for flexible firmware deployment.

Out of stock

Description

The FireBeetle 2 ESP32-UE leverages the Espressif ESP32-WROOM-32UE-N16R2 system-on-chip, featuring a 32-bit Tensilica LX6 dual-core processor capable of operating at up to 240MHz. This provides substantial computational headroom for complex IoT logic, sensor data fusion, and running graphical interfaces via libraries like LVGL. The module’s significant 16MB Flash and 2MB PSRAM memory configuration is specifically engineered to handle large application binaries, extensive file systems, and dynamic data buffers, which is critical for advanced remote monitoring and control systems.

Its communication subsystem is enhanced through support for external, connectorized antennas, offering improved signal gain and penetration over integrated PCB antennas. This makes it suitable for deployments in challenging RF environments. The board includes dedicated power management circuitry supporting input from a USB-C port (5V) or a 3.7V Li-ion battery via a PH2.0 connector, with automatic source switching for uninterrupted operation. The onboard GDI interface simplifies connection to TFT displays, accelerating the development of human-machine interfaces (HMIs) for industrial dashboards or remote telemetry stations.

Key Features

  • High-performance ESP32-WROOM-32UE-N16R2 core with dual-core 240MHz CPU, 16MB Flash, and 2MB PSRAM for memory-intensive applications.
  • External antenna support (U.FL/IPEX connector) for 2.4GHz WiFi (802.11 b/g/n) and Bluetooth 5.1 dual-mode, enhancing link range and stability.
  • Integrated power management with USB-C (5V) and PH2.0 Li-ion battery inputs, featuring automatic power source selection and charging circuit.
  • Onboard GDI (Graphics Display Interface) port for direct connection to compatible displays, streamlining UI integration.
  • Full hardware compatibility with the FireBeetle V2 ecosystem, offering extensive GPIO breakout and peripheral access.
  • Compact and robust PCB design measuring 60mm x 25.4mm, optimized for embedded installation in IoT gateways and control nodes.
  • Broad development environment support including Arduino Core for ESP32, Espressif IDF, and MicroPython for rapid prototyping and production.

Applications

  • IoT Gateway & Edge Computing Node: Serves as a central hub for aggregating sensor data from RS485, I2C, or SPI networks and transmitting it via WiFi or Bluetooth to cloud platforms.
  • Remote Robotics & Teleoperation Control: Provides the processing power and wireless connectivity needed for real-time control and video/data feedback in mobile robotic platforms.
  • Industrial HMI & Display Interfaces: Leverages the GDI port and high memory to drive local dashboards for monitoring PLCs, sensor networks, or machine status.
  • Wireless Sensor Network Coordinator: Acts as a master node in a Bluetooth Mesh or WiFi network, collecting data from distributed sensor modules for environmental or structural monitoring.
  • Battery-Powered Portable Data Loggers: Utilizes the dual-power input and low-power sleep modes for field-deployed devices logging GPS, environmental, or biometric data.

Technical Specifications

Core ModuleESP32-WROOM-32UE-N16R2
ProcessorTensilica LX6 Dual-Core
Clock FrequencyUp to 240 MHz
Flash Memory16 MB
PSRAM2 MB
SRAM520 kB
ROM448 kB
WirelessWiFi 2.4GHz (802.11 b/g/n), Bluetooth 5.1 Dual-Mode (BR/EDR/BLE)
AntennaExternal U.FL/IPEX Connector Supported
Input Voltage (USB-C)5V DC
Input Voltage (PH2.0 Battery)3.7V Li-ion
Input Voltage (VCC Pin)5V DC
Development SupportArduino IDE, ESP-IDF, MicroPython
Dimensions (L x W)60 mm x 25.4 mm
Weight23.4 g

Frequently Asked Questions

What is the main advantage of the ESP32-UE module over standard ESP32 boards?

The primary advantage is its support for an external U.FL/IPEX connector antenna, which provides higher gain and directional control compared to the onboard PCB antenna of standard modules. This significantly extends the reliable communication range for both 2.4GHz WiFi and Bluetooth 5.1, making it ideal for applications where the device is housed inside an enclosure or deployed in environments with signal interference.

What power sources can I use with the FireBeetle 2 ESP32-UE board?

The board supports three input sources: a 5V supply via the USB-C port, a 3.7V Li-ion battery connected to the PH2.0 interface, and a regulated 5V input on the VCC pin. The integrated power management circuit automatically selects between the USB and battery sources, providing seamless operation and battery charging when USB is present. Ensure the Li-ion battery has built-in protection circuitry.

How do I program this microcontroller, and what frameworks are supported?

You can program it using several popular frameworks. For quick prototyping, use the Arduino IDE with the ESP32 board package. For full low-level control and access to all ESP-IDF features, use Espressif's official IoT Development Framework (ESP-IDF). MicroPython is also supported for high-level scripting. The board's pins are compatible with the FireBeetle V2 ecosystem, and numerous code examples are available in the DFRobot wiki.

What is the purpose of the GDI interface on the board?

The GDI (Graphics Display Interface) is a dedicated connector for easily interfacing with compatible TFT displays from DFRobot. It consolidates power, SPI communication, and touch control signals into one port, drastically simplifying wiring and allowing you to quickly add a graphical user interface to your project without manually connecting multiple discrete wires.

Package Includes

  • 1 x FireBeetle 2 ESP32-UE (N16R2) IoT Microcontroller Board
  • 1 x 2.4GHz WiFi and Bluetooth External Antenna
  • 1 x 18-pin 2.54mm Pitch Male Header Pin
  • 1 x 18-pin 2.54mm Pitch Female Header
  • 1 x 14-pin 2.54mm Pitch Male Header Pin
  • 1 x 14-pin 2.54mm Pitch Female Header

Additional Information

Weight 0.0234 kg
Dimensions 6 × 2.54 cm