Bluetooth Bee Released

hc-05 bluetooth module



  • Bluetooth protocol: Bluetooth Specification v2.0+EDR
  • Frequency: 2.4GHz ISM band
  • Modulation: GFSK(Gaussian Frequency Shift Keying)
  • Emission power: ≤4dBm, Class 2
  • Sensitivity: ≤-84dBm at 0.1% BER
  • Typical -80dBm sensitivity
  • Up to +4dBm RF transmit power
  • Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps
  • Security: Authentication and encryption
  • Profiles: Bluetooth serial port
  • UART interface with programmable baud rate
  • 1 No. Push switch for AT command
  • 2 No LED for Communication Status
  • XBEE Compatible*.
  • With integrated antenna
  • With edge connector
  • Power supply: +3.3VDC 50ma
  • Working temperature: -20 ~ +75Centigrade
  • Dimension: 26.9mm x 13mm x 2.2 mm


  • Supported baud rate: 9600,19200,38400,57600,115200,230400,460800
  • PIO10 and PIO11 can be connected to red and blue led separately. When master and slave are  paired,  red  and  blue  led  blinks  1time/2s  in  interval,  while  disconnected  only  blue  led blinks 2times/s.


  • Default  Baud  rate:  38400(AT Command),  Data  bits:8,  Stop  bit:1,Parity:No  parity,  Data  control:  has.
  • Default Baud rate: 9600 for communication between Master and Slave.


  • HC-05 Module
  • User Manual/Datasheet.


  • Computer and peripheral devices
  • Replacement of Wired Serial Bus.
  • Industrial control
  • MCU Projects

* Only VCC, GND, TX and RX pins compatible




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