HC-05 Bluetooth Serial Module for Arduino / MCU

The HC-05 Bluetooth Module is a powerful wireless serial communication solution designed for Arduino, microcontrollers (MCUs), and a wide range of embedded projects. This module is compliant with the Bluetooth V2.0 + EDR (Enhanced Data Rate) protocol, providing stable and reliable wireless data transmission. It can be configured in either master or slave mode, allowing you to easily establish point-to-point connections between devices. Whether you're building a remote-controlled robot, a wireless sensor network, or connecting a PC to your electronic projects, the HC-05 is the perfect choice.

Key Features

• Master/Slave Configurable: Easily switch between master and slave modes using AT commands for versatile communication.
• Wide Voltage Range: Operates from 3.3V to 5V, making it fully compatible with popular development boards like Arduino.
• High-Speed Transmission: Supports data transfer rates up to 3Mbps for fast and stable communication.
• Programmable Baud Rate: The UART interface baud rate is customizable, with a default of 9600.
• Plug & Play: Features a built-in LED indicator to easily check pairing and connection status.
• Integrated Antenna: Equipped with an efficient built-in antenna for excellent wireless signal strength.
• Compact Size: The core module measures just 28mm x 15mm, perfect for integration into tight project spaces.

Ideal For

• Robotics & RC Cars: Wirelessly control your DIY projects using a smartphone or PC.
• Smart Home Systems: Create a wireless sensor network for remote monitoring of appliances.
• Internet of Things (IoT): Use in GPS navigation systems, utility meter reading systems, and other IoT applications.
• Wireless Data Transfer: A perfect replacement for traditional wired serial ports, enabling wireless connections between MCUs, PCs, and PDAs.