HC-05 Bluetooth 2.0 Serial Wireless Module for Arduino, ESP32, Raspberry Pi, and Microcontroller Projects

🛠️ HC-05 Bluetooth 2.0 Serial Wireless Module for Arduino, ESP32, Raspberry Pi, and Microcontroller Projects

The HC-05 Bluetooth Module is a widely used and reliable Bluetooth SPP (Serial Port Profile) module, ideal for adding wireless serial communication to your microcontroller projects. It enables easy and seamless wireless communication between Arduino, ESP32, STM32, Raspberry Pi, and other development boards.

Operating over Bluetooth 2.0 + EDR (Enhanced Data Rate), the HC-05 supports both Master and Slave modes, allowing flexible integration in various applications. This module communicates with your microcontroller via UART (serial interface), making it simple to implement wireless control, data logging, or device-to-device communication in embedded systems.

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✅ Key Features:

• 🔗 Bluetooth Version: 2.0 + EDR (Class 2)

• 🔌 Interface: UART (Serial, 3.3V logic level)

• 📶 Operating Range: Up to 10 meters (line of sight)

• ⚙️ Modes: Master and Slave modes configurable via AT commands

• 🔄 Baud Rate: Default 9600 (configurable via AT commands)

• 🔋 Operating Voltage: 3.6V to 6V input (3.3V logic level output)

• 💡 LED Indicator: Shows connection and communication status

• 📐 Compact Design: Breadboard and project-friendly

• 🧰 Compatibility: Arduino, ESP32, STM32, Raspberry Pi, and other microcontrollers

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🧰 Applications:

• Wireless communication between microcontrollers

• Remote control systems

• Home automation

• Wireless robotics control

• Serial communication replacement without cables

• Data logging and wireless data transfer

• DIY electronics projects and prototypes

• Wireless sensor networks

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🔗 Why Choose the HC-05 Module?

The HC-05 Bluetooth module is trusted worldwide for its simplicity, flexibility, and reliable performance in adding Bluetooth connectivity to a wide range of embedded and electronics projects. Its configurability via AT commands and broad compatibility make it an excellent choice for both beginners and experienced developers looking to build wireless communication solutions.

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📦 Package Includes:

• 1 x HC-05 Bluetooth 2.0 Serial Wireless Module

Note: Ensure proper 3.3V level shifting on UART lines when interfacing with 5V systems like Arduino UNO.

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