HC-05 Bluetooth Module, Serial TTL
This serial bluetooth module can work as either master or slave. This module also includes the base board, not only the core board, most functions are pre-set, so only the serial port communication is available but it’s more easy to use. It can be used also with arduino or Microcontroller.
Use CSR popular buletooth chip, bluetooth V2.0 Protocol standard.
Serial port operation voltage 3.3V
Baud rate set at 9600, but you can change it with AT command
Operation current, pairing at 30MA, after pairing is 8 MA during communication
Widely use for wireless data communication such as GPS navigation device, remote data collection, PDA devices
Also can pair and communicate with laptop, laptop bluetooth adapter, PDA devices, Arduino
Be aware default setting of the product is slave mode, communication only available between master and slave mode, but not master and master, or slave and slave mode