Bluetooth module – HC-05

The HC-05 Bluetooth Module is a widely used wireless transceiver module that enables seamless serial communication between devices over Bluetooth. Operating in the 2.4GHz ISM band, it supports both master and slave modes, making it highly flexible for various IoT and DIY electronics applications. With a simple UART interface, it allows any serial-enabled device to communicate wirelessly, effectively replacing traditional wired serial connections. Key features include an adjustable baud rate, a compact form factor, and easy integration with microcontrollers using AT commands. This module is perfect for creating wireless data loggers, remote control systems, and smart home devices. Choose the HC-05 for its reliability, extensive community support, and cost-effectiveness in adding robust Bluetooth connectivity to your projects.