Bluno M3 Arduino Compatible Bluetooth 4.0 Microcontroller

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DFRobotSKU: RB-Dfr-640
Manufacturer #: DFR0329

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  • Bluno M3 Microcontroller x1
  • 68mm x 31mm(2.68"x1.22")
  • Not supported by Arduino IDE 1.5.5,  compatible with Arduino IDE 1.6.X
  • Microcontroller: STM32 F103RET6
  • Clock Speed: 72MHz
  • Bluetooth chip: TI CC2540 (Bluetooth 4.0)
  • Communication Range: 30m(1181")
  • Operating Voltage: 3.3V
  • DC Supply: USB Powered or External 7V~12V DC
  • Digital I/O Pins: 39
  • Analog Input Pins: 11 (Multiplex)
  • External Interrupt: 39 (D0~D38)
  • I2C/IWC: 30 (Default SDA), 29 (Default SCL)
  • SRAM: 64K
  • Flash: 512K (Customizable Flash assignment, refer to Flash chapter for more info)
    • Default User Code repository: 492K
    • Default User Data repository: 20K
    • SPI 12(MISO), 11(MOSI), 13(SCK)
    • SPI1 33(MISO), 34(MOSI), 32(SCK)
  • Serial Port: 5 (Serial1/Serial2/Serial3/Serial4/Serial5)
    • Serial1 0(Rx1) & 1(Tx1)
    • Serial2 22(Rx2) & 21(Tx2)
    • Serial3 30(Rx3) & 29(Tx3)
    • Serial4 8(Rx4) & 9(Tx4)
    • Serial5 54(Rx5) & 53(Tx5)


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