DFRobot FireBeetle ESP32-E IoT Microcontroller w/ Header
DFRobot FireBeetle ESP32-E IoT Microcontroller w/ Header - Image 2
DFRobot FireBeetle ESP32-E IoT Microcontroller w/ Header - Image 3
SKU: IOWC-1399
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DFRobot FireBeetle ESP32-E IoT Microcontroller w/ Header

₹1,469.00 (Inclusive of all taxes)
Out of Stock

The DFRobot FireBeetle ESP32-E is an ultra-low-power IoT microcontroller board featuring a dual-core ESP32, Wi-Fi & Bluetooth 4.0 connectivity, and a pre-soldered header for easy prototyping. It supports Arduino IDE and ESP-IDF development for smart home and industrial IoT applications.

Features

  • ESP32 dual-core processor running at 240MHz with 4MB flash and 520KB SRAM for robust IoT applications.
  • Ultra-low power operation with deep sleep current as low as 10µA and an average active current of 80mA.
  • Integrated Wi-Fi (2.4GHz) and Bluetooth 4.0 dual-mode communication for versatile wireless connectivity.
  • Onboard charging circuit and PH2.0 connector for direct lithium battery (3.3V-5.5V) power management.
  • Pre-soldered pin headers and GDI display port for plug-and-play compatibility with FireBeetle ecosystem shields.

Out of stock

Description

The FireBeetle ESP32-E IoT Microcontroller is engineered for power-sensitive wireless projects, leveraging the Espressif ESP32’s capabilities within DFRobot’s accessible ecosystem. Its compact 25.4 x 60mm form factor integrates a full-featured development platform, including a USB charging circuit and a dedicated lithium battery interface, enabling portable and wearable device designs.

Built for reliable IoT node deployment, the board provides stable 2.4GHz RF performance with an operating temperature range of -40°C to +85°C. The pre-soldered header version simplifies integration with sensor modules and expansion boards, reducing assembly time for rapid prototyping in smart home automation, industrial telemetry, and personal wearable tech applications.

Key Features

  • Dual-core Xtensa LX6 microprocessor delivers high computational performance for complex IoT firmware.
  • Comprehensive power management with low-dropout regulator (LDO), supporting deep sleep modes for battery longevity.
  • Direct USB programming and serial communication via integrated USB-to-UART bridge.
  • Gravity-compatible I/O philosophy allows connection to a vast ecosystem of plug-and-play sensors and actuators.
  • Robust RF design ensures stable Wi-Fi and Bluetooth connectivity in diverse environmental conditions.

Applications

  • Smart Home Automation: Central hub or node for lighting, security, and climate control systems.
  • Wearable Electronics: Fitness trackers and health monitors leveraging low-power Bluetooth.
  • Industrial IoT (IIoT): Wireless sensor nodes for equipment monitoring and telemetry data collection.
  • Prototyping & Education: Entry-level platform for learning embedded systems and wireless communication.
  • Battery-Powered Sensors: Long-life environmental monitors for agriculture or asset tracking.

Technical Specifications

Microcontroller / SoCEspressif ESP32 Dual-Core
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth 4.0 BR/EDR & BLE
Frequency Range2.4 - 2.5 GHz
Supply Voltage3.3V - 5.5V
Operating Current~80mA (Average)
Deep Sleep Current~10µA
Flash Memory4 MB
SRAM520 KB
CPU Frequency240 MHz
InterfacesGPIO, UART, I2C, SPI, GDI Display Port
Battery ConnectorPH2.0 for Lithium Battery
Operating Temperature-40°C to +85°C
Dimensions25.4 mm x 60 mm

Frequently Asked Questions

How do I program the FireBeetle ESP32-E microcontroller?

You can program the board using the Arduino IDE with the ESP32 board package installed or the official Espressif ESP-IDF framework. Connect via USB, select the correct COM port and board variant (e.g., ESP32 Dev Module), and upload your code. The pre-soldered headers allow direct connection to a breadboard or shield without additional soldering.

What is the power supply requirement and how do I use a battery?

The board accepts 3.3V to 5.5V DC input via the VIN pin or USB port. For battery operation, connect a 3.7V lithium cell to the onboard PH2.0 connector. The integrated charging circuit manages charging via USB. In deep sleep mode, current draw can drop to 10µA, significantly extending battery life for remote sensor applications.

Can I connect a display to this FireBeetle board?

Yes, the board features a dedicated GDI (Graphic Display Interface) port designed for easy connection to compatible displays from the FireBeetle ecosystem. This port simplifies wiring for TFT or e-paper screens. You can also use standard GPIO pins for SPI or I2C displays with appropriate libraries in Arduino or ESP-IDF.

Package Includes

  • 1 x DFRobot FireBeetle ESP32-E IoT Microcontroller with Pre-soldered Headers

Additional Information

Weight 0.26 kg
Dimensions 8 × 6 × 2 cm

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