Beetle BLE Board

SKU: DFR0339

The Beetle BLE Board represents a significant advancement in wearable electronics, offering DIY enthusiasts a compact and versatile Arduino-based option. Fully compatible with Bluno, it supports both Bluetooth HID and ibeacon modes, as well as USB and wireless programming methods. Its V-shaped gilded I/O interface facilitates easy connection with conductor wires, making it a practical choice for wearable technology projects. With this board, users can explore innovative design possibilities and enhance their projects with advanced functionality.

Angled shot of Arduino BLE board with USB ports and components, highlighting smallest Arduino for wearable projects.-DFRobot product sku:DFR0339 image.

Downloadable Resources

  • Docs
  • Tech Specs
  • Specification

    Bluetooth Chip CC2540
    Sensitivity (-93dBm)
    Working Temperature (-10 ℃ ~ +85 ℃ )
    Maximum Distance 50m(Open field)
    Microcontroller ATmega328P
    Clock frequency 16 MHz
    Working voltage 5V DC
    Digital Pin x4
    Analog Pin x4
    PWM Output x2
    UART interface x1
    I2C interface x1
    Micro USB interface x1
    Power port x2
    DFR0339 DFRobot Beetle BLE

    Pinout

    DFR0339 DFRobot Beetle BLE Pinout Diagram DFR0339 DFRobot Beetle BLE Pinout Diagram
    • Pin Mapping
    Silkscreen Digital Pin PWM Channel Analog Channel UART I2C
    RX 0 Serial
    TX 1 Serial
    SDA A4 SDA
    SCL A5 SCL
    D2 2
    D3 3 3
    D4 4
    D5 5 5
    A0 A0 A0
    A1 A1 A1
    A2 A2 A2
    A3 A3 A3
    • Power interface description:
    Silkscreen Description
    VIN external power supply<8V
    5V 5V positive supply
    GND GND

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