HC-05 Wireless Bluetooth Module


The HC-05 Wireless Bluetooth Module (No AT Button) is an easy-to-use transceiver designed to replace serial cables with wireless communication. It operates as a serial (RX/TX) data pipe, seamlessly passing any serial stream from 2400 to 115200bps between your computer and target device. The HC-05 can be programmed to function as either a master or a slave device, making it highly versatile for various wireless communication applications. This module is ideal for integrating Bluetooth capabilities into your projects with minimal setup.


  • Bluetooth Version: 2.0+EDR (Enhanced Data Rate)
  • Data Rate: 2400 to 115200bps
  • Operating Voltage: 3.3V for serial TTL
  • Master/Slave Configurable: Can be programmed as a master or a slave device
  • Communication Range: Up to 10 meters in open space
  • Compact Size: Easy to integrate into various projects
  • Interfaces: UART for easy communication with microcontrollers


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