Description
The HC-05 Bluetooth Module is a versatile and cost-effective UART serial communication module designed for wireless data transmission between devices. Operating in the 2.4GHz ISM band, it allows seamless serial communication between microcontrollers, PCs, and other Bluetooth-enabled devices. The HC-05 can function in both Master and Slave modes, making it ideal for a wide range of embedded and DIY electronics applications. Its built-in antenna and compact design simplify integration into any project.
Key Features
- Wireless UART communication for serial data transfer between devices
- Dual mode operation: supports both Master and Slave configurations
- Operating Frequency: 2.4GHz ISM band
- Integrated antenna and edge connector for reliable wireless performance
- Simple UART interface for easy connection with microcontrollers (e.g., Arduino, Raspberry Pi, ESP32)
- Low power consumption and stable communication range
- PIO control for flexible functionality and customization
- Suitable for use as a serial port replacement
Specificaton
- Model: HC-05
- Bluetooth Version: 2.0+EDR
- Operating Voltage: 3.3V to 5V DC
- Communication Interface: UART (TX, RX)
- Default Baud Rate: 9600 bps (configurable)
- Operating Frequency: 2.4GHz ISM band
- Transmission Distance: Up to 10 meters (open area)
- Modes: Master / Slave (configurable via AT commands)
- Antenna: Integrated PCB antenna
- Dimensions: Approx. 37mm × 15mm × 6mm
Application
- Wireless serial communication for microcontrollers
- Bluetooth connectivity for Arduino and Raspberry Pi projects
- Home automation and IoT devices
- Data logging and wireless sensor networks
- Robotics and remote control applications
- Serial communication replacement in embedded systems