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DF ROBOT FireBeetle 2 ESP32-UE (N16R2) IoT Board (16MB FLASH / 2MB PSRAM, Supports Ext Antenna)
The FireBeetle 2 ESP32-UE is an IoT microcontroller based on the ESP32-WROOM-32UE-N16R2 module, featuring a connector for an external WiFi/Bluetooth antenna. It is equipped with a Tensilica LX6 dual-core processor (240MHz), 16MB Flash, and 2MB PSRAM. It supports dual-mode communication via 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 4.2 (BR/EDR/BLE). The board operates on a 5V DC (USB-C) or 3.7V Li-ion battery, with automatic power switching and charging. Peripherals include 17 digital pins, 11 analog pins, 3x UART, 1x I2C, 1x SPI, and an onboard GDI for display connections. It is programmable with Arduino IDE, ESP-IDF, and MicroPython.
Based on Espressif’s ESP32-WROOM-32UE-N16R2 module, this product features a 32-bit dual-core processor with a clock frequency of up to 240MHz and supports MCU, WiFi, and Bluetooth dual-mode communication. It is highly suitable for a wide range of IoT scenarios.
User Manual / Datasheet / Example Codes Etc.
Features
- Equipped with ESP32-WROOM-32UE-N16R2 dual-core module
- Clock frequency up to 240MHz, with 16M Flash and 2M PSRAM for large memory capacity- Supports external Bluetooth & WiFi antennas
- Low-power development board, supporting dual-mode communication of WiFi 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 small size, suitable for IoT projects with limited space and embedded systems
Specifications
- Power Parameters - Input Voltage
- USB-C interface: 5V DC
- PH2.0 interface: 3.7V Li-ion
- VCC pin: 5V DC
- MCU Parameters
- Processor: Tensilica LX6 dual-core processor (one core for high-speed connectivity, one core for independent application development)
- Clock Frequency: 240MHz
- SRAM: 520KB
- ROM: 448KB
- Flash: 16MB
- PSRAM: 2MB
- On-chip Clock: 40MHz crystal oscillator, 32.768KHz crystal oscillator
- Wireless Parameters
- Wi-Fi Standard: FCC/CE/TELEC/KCC
- Wi-Fi Protocol: 802.11 b/g/n/d/e/i/k/r (802.11n, up to 150 Mbps), A-MPDU and A-MSDU aggregation, supports 0.4us protection interval
- Wi-Fi Frequency Range: 2.4~2.5 GHz
- Bluetooth Protocol: Compliant with Bluetooth V4.2 BR/EDR and BLE standards
- Bluetooth Audio: CVSD and SBC audio
- Bluetooth Frequency Range: 2.4~2.5GHz
- Peripheral Parameters
- Digital Pins × 17: IO0, IO1, IO2, IO3, IO4, IO12, IO13, IO14, IO15, IO17, IO18, IO19, IO21, IO22, IO23, IO25, IO26
- Analog Pins × 11: IO0, IO2, IO4, IO12, IO13, IO14, IO15, IO25, IO26, I34, I35
- UART Interfaces: ×3
- SPI Interface: ×1
- I2C Interface: ×1
- I2S Interface: ×1
- DAC Interface: ×2
- Touch Interfaces: ×7
- LED PWM Channels: ×16
- RGB_LED: WS2812
- Display Interface: GDI
- Other Parameters
- Interface Compatibility: FireBeetle V2 series compatible
- Module Size: 25.4mm × 60mm
- Weight: 23.4g
Package Includes
- FireBeetle 2 ESP32-UE (N16R2) IoT Microcontroller
- 2.4GHz WiFi and Bluetooth antenna
- 18pin-2.54mm Pitch Pin
- 18pin-2.54mm Pitch Pin Female
- 14pin-2.54mm Pitch Pin
- 14pin-2.54mm Pitch Pin Female
