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HC06 Bluetooth Transceiver

HC06 Bluetooth Transceiver


The HC-06 is a class 2 slave Bluetooth module designed for transparent wireless serial communication. Once it is paired to a master Bluetooth device such as PC, smart phones and tablet, its operation becomes transparent to the user. All data received through the serial input is immediately transmitted over the air. When the module receives wireless data, it is sent out through the serial interface exactly at it is received. No user code specific to the Bluetooth module is needed at all in the user microcontroller program.

The HC-06 will work with supply voltage of 3.6VDC to 6VDC, however, the logic level of RXD pin is 3.3V and is not 5V tolerant. A Logic Level Converter is recommended to protect the sensor if connect it to a 5V device (e.g Arduino Uno and Mega).

NOTE: This module does not support AT command.


  • Bluetooth v2.0+EDR
  • 2.4GHz ISM band frequency
  • Default baudrate: 9600
  • Power supply: 3.6V to 6V DC
  • Passkey: 1234

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