DFRobot FireBeetle 2 ESP32-E IoT Microcontroller (Supports Wi-Fi & Bluetooth)


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SKU: 1073417


  1. WiFi+Bluetooth 4.0 Dual-mode Module
  2. GDI Display Port, easy to connect
  3. Operating Voltage: 3.3V
  4. Input Voltage: 3.3V~5.5V
  5. Support Low-Power: 10uA
  6. ESP32 Dual-core low power main controller, 10uA power consumption


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Brand: DF Robot
Category: IoT Development Boards

This is a DFRobot FireBeetle 2 ESP32-E IoT Microcontroller (Supports Wi-Fi & Bluetooth).

FireBeetle ESP32-E, specially designed for IoT, is an ESP-WROOM-32E-based main controller board with dual-core chips.

It supports WiFi and Bluetooth dual-mode communication and features a small size, ultra-low power consumption, onboard charging circuit, and easy-to-use interface, which can be conveniently used for smart home IoT, industrial IoT applications, wearable devices, and so on. You can easily create your own IoT smart home system when connecting it with an IoT platform like IFTTT.DFRobot FireBeetle 2 ESP32-E IoT Microcontroller (Supports Wi-Fi & Bluetooth)

FireBeetle ESP32-E supports Arduino programming and will support Scratch graphical programming and MicroPython programming very soon. We provide you with detailed online tutorials and application cases, and there are thousands of sensors with welding-free Gravity interfaces and actuators to help you get started easily. Besides, the stamp hole design makes it able to be easily embedded in your PCB, greatly saving your costs and time to build and test a prototype.


  1. ESP32 Dual-core low power main controller, 10uA power consumption
  2. WiFi+Bluetooth 4.0 Dual-mode Module
  3. GDI Display Port, easy to connect
  4. Onboard Charging Circuit and PH2.0 lithium Battery Interface
  5. Support USB Charging
  6. Digital I/O x10(Arduino default)
  7. Analog Input x5(Arduino default)
  8. SPI x1(Arduino Default)
  9. IIC x1(Arduino Default)
  10. I2S x1(Arduino Default)


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Package Includes:

1 x DFRobot FireBeetle 2 ESP32-E IoT Microcontroller

SKU: 1073417 Category:
Operating Voltage (V)


Input Voltage (V)


Support Low-Power


Max discharge current(C)

600mA@3.3V LDO

Max charge current



Tensilica LX6 dual-core processor

Main Frequency




Flash Memory


Wi-Fi Standard


Wi-Fi Protocol

802.11 b/g/n/d/e/i/k/r (802.11n,speed up to 150 Mbps), A-MPDU and A-MSDU Aggregation, support 0.4us guard interval).

Frequency Range

2.4~2.5 GHz

Bluetooth Protocol

Bluetooth v4.2 BR/EDR and BLE standard compliant

Bluetooth Audio

CVSD and SBC audio

Operating Current (A)


On-chip Clock

40MHz crystal, 32.768KHz crystal




FireBeetle V2 series compatible

Operating Temperature (°C)


Module Size (LxWxH) mm


Mount Hole Size

inner diameter of 2.0mm

Shipping Weight 0.02 kg
Shipping Dimensions 5 × 3 × 1 cm
1 Month Warranty

This item is covered with a standard warranty of 1 month from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects.  Reimbursement or replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China