Bluetooth HC-05 Wireless UART Module

The Bluetooth HC-05 Wireless UART Module is a popular and versatile device that allows you to connect your microcontroller or other serial devices to a Bluetooth network. It provides a simple and cost-effective way to add wireless communication capabilities to your projects.

Key Features:

• Bluetooth 2.0 Compatibility: Ensures compatibility with a wide range of Bluetooth devices.
• UART Interface: Provides a serial communication interface for easy integration with microcontrollers and other devices.
• Master-Slave Mode: Can operate in both master and slave modes, allowing for flexible communication scenarios.
• AT Commands: Supports AT commands for configuration and control.
• Low Power Consumption: Ideal for battery-powered applications.
• Compact Design: Small and lightweight, making it easy to incorporate into your projects.

Applications:

• Wireless Serial Communication: Connecting microcontrollers, sensors, and other devices to a Bluetooth network.
• Remote Control: Controlling devices or systems from a distance using a smartphone or tablet.
• Data Transmission: Sending and receiving data wirelessly between devices.
• IoT Projects: Adding wireless connectivity to Internet of Things applications.

Specifications:

• Model: HC-05
• Type: Bluetooth Serial Port Protocol (SPP) module   
• Form Factor: Compact module with pins for easy connection

DATA SHEET AND USECASE 

Key Features:

• Bluetooth Protocol: Bluetooth V2.0+EDR (Enhanced Data Rate)
• Frequency: 2.4 GHz ISM band
• Modulation: GFSK (Gaussian Frequency Shift Keying)
• Transmission Speed: Asynchronous: 2.1 Mbps (Max) / 160 kbps; Synchronous: 1 Mbps/1 Mbps
• Power Consumption: Low power operation with a typical current of 30 mA
• Operating Voltage: 3.3V DC
• Communication: UART interface with programmable baud rate
• Security: Authentication and encryption features

Pin Configuration:

• Enable (EN): Enables the module when pulled high
• VCC: Power supply pin (3.3V)
• Ground (GND): Ground connection
• TXD: Transmitter pin
• RXD: Receiver pin