HC-05 Bluetooth Module for Wireless Communication Projects

The HC-05 Bluetooth Module is a powerful and affordable solution for enabling wireless serial communication between microcontrollers like Arduino, Raspberry Pi, ESP32, and other embedded systems. It supports Bluetooth 2.0 EDR protocol and works in both master and slave modes, making it highly versatile for a wide range of IoT and automation projects. With onboard 3.3V regulator and serial TTL interface, the HC-05 is easy to integrate into most systems. The module has a communication range of up to 10 meters, and it’s ideal for wireless data transmission, remote control, and device-to-device communication. Whether you’re designing a home automation system, building a Bluetooth-controlled robot, or enabling wireless configuration for your IoT devices, the HC-05 provides reliable performance with simple setup. ✅ Key Features: Supports Bluetooth 2.0 EDR (Enhanced Data Rate) Master/Slave mode configuration Serial communication (TTL) interface Baud rate: 9600 (default, configurable) Operating voltage: 3.3V logic (tolerant up to 5V) Range: up to 10 meters Built-in LED indicator for connection status ��️ Applications: Wireless communication for Arduino & Raspberry Pi Bluetooth-based robots and remote controls IoT device configuration & communication Wireless sensor data logging systems Bluetooth home automation controls PC-to-microcontroller serial bridges