DFRobot Beetle BLE - The Smallest Board Based on Arduino Uno with Bluetooth 4.0

DFRobot Beetle BLE - The Smallest Board Based on Arduino Uno with Bluetooth 4.0 — DFRobot — DFR0339

Compact Arduino Uno compatible board with integrated Bluetooth 4.0 BLE. Supports USB and wireless OTA programming; suited for wearable and space-constrained projects.

Pinout

Logical pinout · physical placement not verified
DFROBOT BEETLE BLE - TRXA0TXA1SDAA2SCLA3D2VIND35VD4GNDD5
  • RX
    Type · UART
  • TX
    Type · UART
  • SDA
    Type · I2C
  • SCL
    Type · I2C
  • D2
    Type · GPIO
  • D3
    Type · GPIO
  • D4
    Type · GPIO
  • D5
    Type · GPIO
  • A0
    Type · Analog
  • A1
    Type · Analog
  • A2
    Type · Analog
  • A3
    Type · Analog
  • VIN
    Type · Power
  • 5V
    Type · Power
  • GND
    Type · Ground

Arduino

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About 75 boards across every Arduino generation: 5V Uno/Mega/GIGA, 3.3V MKR and Portenta, plus DFRduino and Bluno compatibles. Confirm the voltage rail before stacking any shield.

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