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DFRobot DFR1139 FireBeetle 2 ESP32-E Development Board

DFRobot DFR1139 FireBeetle 2 ESP32-E Development Board is an IoT development board based on the ESP32-WROOM-32E-N16R2 module. This board features a 240MHz dual-core processor, 16MB Flash, and 2MB PSRAM. The DFR1139 board supports 2.4GHz Wi-Fi® (802.11 b/g/n), BLUETOOTH® 4.2 BR/EDR, and BLE connectivity, ensuring seamless wireless communication for IoT solutions. This board operates on 5V DC via USB Type-C® or a 3.7V Li-ion battery that features automatic power switching and charging. The DFR1139 board is available in a compact size (25.4 mm x 60 mm) and supports the LVGL graphics. This development board is ideal for home automation, remote control of robots, smart lighting control, control panel UI design, and environmental data monitoring.

Features

  • Equipped with the ESP32-WROOM-32E-N16R2 dual-core module
  • Clock frequency up to 240MHz, with 16MB Flash and 2MB PSRAM for large memory capacity
  • Low-power development board, supporting dual-mode communication of Wi-Fi and Bluetooth
  • Onboard GDI display interface for quick connection to display screens
  • Onboard charging circuit and PH2.0 lithium battery interface, supporting dual-power supply and automatic switching
  • Supports various programming methods such as Arduino IDE, ESP-IDF, MicroPython, etc
  • Compact design with a small size, suitable for IoT projects with limited space and embedded systems

Applications

  • Home automation renovation
  • Remote control of robots
  • Environmental data monitoring
  • Smart lighting control
  • Control panel UI design
DFRobot DFR1139 FireBeetle 2 ESP32-E Development Board

Specifications

  • Power parameters:
    • Input voltage:
      • 5V DC USB Type-C® interface
      • 3.7V Li-ion PH2.0 interface
      • 5V DC VCC pin
  • MCU Parameters:
    • Processor: Tensilica LX6 dual-core processor (one core for high-speed connectivity, one core for independent application development)
    • 240MHz clock frequency
    • 520KB SRAM
    • 448KB ROM
    • 16MB Flash
    • 2MB PSRAM
    • 40MHz crystal oscillator and 32.768KHz crystal oscillator on-chip clock
  • Wireless parameters:
    • 2.4GHz to 2.5GHz Wi-Fi frequency range
    • Compliant with Bluetooth V4.2 BR/EDR, BLE standards, and BLUETOOTH® protocol
    • CVSD and SBC audio Bluetooth audio
    • 2.4GHz to 2.5GHz Bluetooth frequency range
  • 25.4mm x 60mm module size
  • 2.54mm pin pitch
  • 1.6mm thickness

Pinout

DFRobot DFR1139 FireBeetle 2 ESP32-E Development Board

Additional Resources

Publicado: 2025-10-14 | Actualizado: 2025-11-03