Description

The HC-05 Bluetooth module is a popular, low-cost Bluetooth communication module commonly used for wireless data transfer in embedded systems and microcontroller-based projects. It enables devices to communicate via Bluetooth in both master and slave modes.

Key Features:

Bluetooth v2.0 + EDR (Enhanced Data Rate): Ensures fast and reliable wireless communication.
Master and Slave Modes: Can either control other Bluetooth devices (Master) or be controlled by them (Slave).
Range: Typically up to 100 meters (line-of-sight).
Easy to Interface: Compatible with most microcontrollers like Arduino, Raspberry Pi, and other development boards.
Simple Serial Communication: Uses UART (TX/RX) for easy data transfer and control.
Low Power Consumption: Suitable for battery-powered applications.
Wide Compatibility: Works with devices that support Bluetooth, including smartphones, computers, and other Bluetooth-enabled electronics.

Applications:

Wireless Communication: Between microcontrollers, computers, and smartphones.
Home Automation: Control devices wirelessly using Bluetooth.
Robotics: For remote control and data exchange.
IoT Projects: Facilitates wireless networking between various devices.

Specifications:

Voltage: 3.3V to 5V
Operating Distance: Typically 10 meters indoors; can reach up to 100 meters in open space.
Data Rate: Up to 3 Mbps
Dimensions: Compact and easy to integrate into projects.

The HC-05 is widely used in DIY electronics and prototyping for enabling wireless communication with ease.