HC-05 6pin Bluetooth Module with Button

The HC-05 Bluetooth Module is a widely used wireless communication module designed for short-range serial data transmission.
It supports Bluetooth v2.0 + EDR and allows communication between microcontrollers and Bluetooth-enabled devices such as smartphones and laptops.
One of its key advantages is the ability to operate in both Master and Slave modes, offering greater flexibility compared to HC-06 modules.
The module communicates via a TTL UART interface, making integration with Arduino and other development boards simple and reliable.
Configuration can be done using AT commands, allowing users to change baud rate, device name, password, and role.