Product Name:

HC-05 Bluetooth Module (6-Pin) with Onboard Button – Wireless Serial Communication Module

Product Description:

The HC-05 6-Pin Bluetooth Module is a popular and easy-to-use wireless communication module designed for establishing serial (UART) Bluetooth connections between microcontrollers and Bluetooth-enabled devices. It supports both Master and Slave modes, making it suitable for a wide range of wireless control and data-transfer applications.

This version includes an onboard push button, allowing you to enter AT-command mode quickly for configuration. It works seamlessly with Arduino, Raspberry Pi, ESP32, ESP8266, PIC, AVR, STM32, and other microcontroller platforms.

Key Features:

• Bluetooth Standard: Bluetooth 2.0 + EDR

• Modes: Master & Slave (configurable)

• Onboard Button: Easily enter AT-command mode

• Voltage: 3.3V to 5V (with onboard regulator)

• Communication: UART serial interface (TX, RX)

• Baud Rate: Default 9600 (AT-configurable)

• Status LED: Indicates power and connection state

• Range: Up to 10 meters

• Pins: EN, VCC, GND, TXD, RXD, STATE

• Built-in memory for settings retention

Applications:

• Wireless serial communication

• Arduino robot control

• Bluetooth-controlled home automation

• Wireless sensor data transfer

• RC vehicles and robotics

• IoT & embedded systems

• Maker and STEM electronics projects

Why Choose This Module?

The HC-05 is one of the most stable, affordable, and beginner-friendly Bluetooth modules available. The onboard button makes configuration easy, while its wide compatibility ensures smooth integration in almost any electronics project.