The HC-05 is a wireless Bluetooth module with 6 pins, ideal for use with any microcontroller. It uses the UART protocol for easy wireless sending and receiving of data.

This popular module adds full-duplex capability to your applications.

Default HC-05 Settings

• Default Bluetooth Name: “HC-05”
• Default Password: 1234 or 0000
• Default Communication: Slave
• Default Mode: Data Mode
• Baud Rate in Data Mode: 9600, 8, N, 1
• Baud Rate in Command Mode: 38400, 8, N, 1
• Default firmware: LINVOR

Technical Specifications HC-05

• Wireless Bluetooth module for Arduino and other microcontrollers
• Operating Voltage: 4V to 6V (Typically +5V)
• Operating Current: 30mA
• Range: up to 100m
• Compatible with serial communication (USART) and TTL
• Follows the IEEE 802.15.1 standard
• Uses Frequency-Hopping Spread Spectrum (FHSS)
• Can operate in Master, Slave, or Master/Slave mode
• Easily connectable to laptops or mobile phones with Bluetooth
• Supported Baud Rates: 9600, 19200, 38400, 57600, 115200, 230400, 460800