HC-05 Bluetooth Module – Master-Slave

CAD 6.95

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Availability: In stock (can be backordered) SKU: 26247
Quantity 3 - 9 CAD 6.26
Quantity 10 - 24 CAD 6.08
Quantity 25 + CAD 5.91


HC-05 Bluetooth module is an easy-to-use Bluetooth SPP (Serial Port Protocol) module, designed for transparent wireless serial connection setup. The HC-05 Bluetooth Module can be used in a Master or Slave configuration, making it a great solution for wireless communication. This serial port Bluetooth module is fully qualified for Bluetooth V2.0+EDR (Enhanced Data Rate) 3Mbps Modulation with a complete 2.4GHz radio transceiver and baseband. It uses the CSR Bluecore 04 single-chip Bluetooth system with CMOS technology and with AFH (Adaptive Frequency Hopping Feature).
The Bluetooth module HC-05 is a MASTER/SLAVE module (the default factory setting is SLAVE). The Role of the module (Master or Slave) can be configured by sending AT commands. The slave modules cannot initiate a connection to another Bluetooth device but can accept connections. Master modules can initiate a connection to other devices.
The HC-05 Bluetooth module can be used to simply establish a serial port connection between MCU and for example GPS, to a PC or to an embedded system.
  • Typical 80dBm sensitivity
  • Up to +4dBm RF transmit power
  • 3.3 to 5 V I/O
  • PIO (Programmable Input/Output) control
  • UART interface with programmable baud rate
  • On-board integrated antenna
  • Default Baud rate: 9600 (8N1)
  • Auto connect to the last device at power on as default
  • Permit pairing device to connect as default
  • Pairing pin code: 1234 as default


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