DFRobot DFR1140 FireBeetle 2 ESP32-UE Development Board

DFRobot DFR1140 FireBeetle 2 ESP32-UE Development Board is a high-performance IoT development board designed for projects that require extended wireless range and low power consumption. Powered by the ESP32-WROOM-32UE module, it features a dual-core Xtensa^® LX6 processor (up to 240MHz), 16MB Flash, and 2MB PSRAM, making it ideal for IoT applications. This board supports USB and an external 3.7V lithium battery power supply, and it can automatically switch between power sources in dual power supply mode. The DFR1140 board comes in dimensions of 25.4mm x 60mm and a stamp hole design, making it easy to embed or integrate into PCB prototypes. This development board is ideal for IoT project prototyping, IoT remote control, and remote robot control.

Features

Equipped with the ESP32-WROOM-32UE-N16R2 dual-core module
Clock frequency up to 240MHz, with 16MB Flash and 2MB PSRAM for large memory capacity
Supports external BLUETOOTH^® and Wi-Fi^® antennas
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

IoT project prototyping
IoT remote control
Remote robot control

Specifications

Input voltage:
- 5V DC USB Type-C^® interface
- 3.7V Li-ion PH2.0 interface
- 5V DC V_CC 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
- On-chip Clock 40MHz crystal oscillator and 32.768KHz crystal oscillator

Wireless parameters:
- 2.4GHz to 2.5GHz Wi-Fi frequency range
- Compliant with Bluetooth V4.2 BR/EDR and BLE standards
- 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