DFRobot FireBeetle ESP32 IoT Microcontroller w/ Wi-Fi & Bluetooth
DFRobot FireBeetle ESP32 IoT Microcontroller w/ Wi-Fi & Bluetooth - Image 2
DFRobot FireBeetle ESP32 IoT Microcontroller w/ Wi-Fi & Bluetooth - Image 3
DFRobot FireBeetle ESP32 IoT Microcontroller w/ Wi-Fi & Bluetooth - Image 4
DFRobot FireBeetle ESP32 IoT Microcontroller w/ Wi-Fi & Bluetooth - Image 5
SKU: IOWC-1411
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DFRobot FireBeetle ESP32 IoT Microcontroller w/ Wi-Fi & Bluetooth

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

The DFRobot FireBeetle ESP32 is a low-power IoT microcontroller board featuring a dual-core ESP-WROOM-32 module for Wi-Fi and Bluetooth communication, designed for Arduino IDE compatibility with deep sleep currents as low as 10µA.

Features

  • Ultra-low power consumption with a deep sleep current of just 10µA, ideal for battery-powered IoT sensor nodes.
  • Integrated dual-core ESP-WROOM-32 module supporting 802.11 b/g/n Wi-Fi and Bluetooth communication protocols.
  • Hardware designed for seamless Arduino IDE integration, enabling one-click uploads without manual boot mode switching.
  • Dual power supply options via USB or external 3.7V LiPo battery, with onboard charging capability for the battery.
  • Compact form factor (58mm x 29mm) with 10 digital I/O pins and a high-speed 400KHz I2C interface for sensor connectivity.

Out of stock

Description

The DFRobot FireBeetle ESP32 IoT Microcontroller is engineered for power-sensitive Internet of Things applications. It centers on the Espressif ESP-WROOM-32 module, which provides a dual-core Tensilica LX6 microprocessor, 520KB SRAM, and 16MB of flash memory, coupled with robust 2.4GHz Wi-Fi and Bluetooth radio functionality. The board’s architecture prioritizes energy efficiency, featuring advanced power management that enables a deep sleep mode drawing a mere 10µA, dramatically extending operational life on a single LiPo battery charge.

Its design simplifies firmware development with pre-configured pin mapping for the Arduino IDE, eliminating the need for manual boot mode toggling during code upload. The board accepts a 3.3V to 5V input, regulates it to a 3.3V operating voltage, and can deliver up to 600mA discharge current. With a -40°C to 85°C operating temperature range, 10 digital GPIOs, and a compact footprint, it is a versatile foundation for smart home devices, environmental monitors, wearable tech, and industrial telemetry systems.

Key Features

  • Ultra-low power design with a deep sleep current of 10µA for long-lasting battery operation.
  • Integrated ESP-WROOM-32 dual-core processor with Wi-Fi (802.11 b/g/n) and Bluetooth connectivity.
  • Seamless Arduino IDE compatibility with automatic boot mode switching for hassle-free programming.
  • Flexible power management supporting USB or external 3.7V LiPo battery input with onboard charging.
  • Compact and robust form factor suitable for space-constrained IoT deployments.
  • Wide operating temperature range from -40°C to 85°C for harsh environment reliability.
  • Provides 10 digital I/O pins and a high-speed I2C interface (400KHz) for peripheral expansion.

Applications

  • Battery-powered IoT sensor nodes for environmental monitoring (temperature, humidity, air quality).
  • Smart home automation devices like wireless switches, sensors, and controllers.
  • Wearable technology and personal IoT gadgets requiring compact size and low power.
  • Industrial telemetry and data logging systems for remote asset condition monitoring.
  • Prototyping and educational projects for wireless communication and embedded systems.

Technical Specifications

Microcontroller/SoCESP32 Dual-Core (ESP-WROOM-32 Module)
Wireless ProtocolsWi-Fi 802.11 b/g/n, Bluetooth
Frequency Range2.4GHz - 2.5GHz
Supply Voltage3.3V - 5V (Input), 3.3V (Operating)
Operating Current / Sleep CurrentN/A / 10 µA (Deep Sleep)
InterfacesUSB, Digital I/O (x10), I2C (400KHz)
Antenna ConnectorIntegrated PCB Antenna
Operating Temperature-40°C to +85°C
Dimensions58mm (L) x 29mm (W)

Frequently Asked Questions

How do I program the FireBeetle ESP32 using the Arduino IDE?

First, install the ESP32 board package via the Arduino Boards Manager. Connect the board via USB, select 'DFRobot FireBeetle ESP32' as your board, and choose the correct COM port. The board's hardware design allows you to upload code directly without pressing any boot buttons. Simply click the upload button in the Arduino IDE after compiling your sketch.

What is the power consumption in active and sleep modes?

The board is optimized for low-power operation. In deep sleep mode, the current draw is as low as 10 microamperes (µA), which is critical for battery longevity. Active current consumption depends on Wi-Fi/Bluetooth radio usage and CPU load, typically ranging from tens to hundreds of milliamperes. Always measure your specific application's current draw for accurate battery life estimation.

Can I power the board with a battery and charge it simultaneously?

Yes. The FireBeetle ESP32 supports dual power input from a USB port or an external 3.7V Lithium Polymer (LiPo) battery via its JST connector. The onboard charging circuit allows you to charge a connected LiPo battery directly from the USB power source, making it ideal for always-on or portable deployments where continuous operation is required.

What are the key differences between the FireBeetle ESP32 and a standard ESP32 DevKit?

The primary differences are power management and user experience. The FireBeetle features specialized hardware for ultra-low deep sleep (10µA) and integrated LiPo battery charging. Its Arduino IDE integration includes automatic boot mode switching, eliminating manual button presses. It also has a more compact form factor and a pinout specifically mapped for easier use with the Arduino framework compared to Generic dev kits.

Package Includes

  • 1 x DFRobot FireBeetle ESP32 IoT Microcontroller Board

Additional Information

Weight 0.03 kg
Dimensions 5.8 × 2.9 cm

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