HC-05 Bluetooth Module
- Enables wireless Bluetooth communication between microcontrollers, smartphones, tablets, and computers
- Based on Bluetooth v2.0+EDR technology for reliable serial data transfer
- Communicates through USART/UART interface at a default baud rate of 9600bps
- Supports both Data Mode and AT Command Mode for configuration and communication
- Ideal for wireless robotics, home automation, IoT projects, data logging, and sensor networks
- Compatible with Arduino, Raspberry Pi, ESP32, STM32, and other microcontroller platforms
Product Details
HC-05 Bluetooth Module for Arduino, Raspberry Pi & IoT Projects
The HC-05 Bluetooth Module is a widely used wireless serial communication module that enables Bluetooth connectivity between microcontrollers and Bluetooth-enabled devices such as smartphones, tablets, laptops, and computers. It provides a simple and cost-effective solution for adding wireless communication capabilities to embedded systems and IoT projects.
The module operates using the UART/USART interface and supports both Data Mode and AT Command Mode. In Data Mode, it can transmit and receive serial data wirelessly, while AT Command Mode allows users to configure device settings such as baud rate, device name, and pairing parameters. With Bluetooth v2.0+EDR support and a communication range suitable for most embedded applications, the HC-05 is ideal for robotics, automation, wireless sensors, remote control systems, and data acquisition projects.
🔧 Features
- Bluetooth v2.0+EDR Wireless Communication Module
- Supports Bluetooth Serial Port Profile (SPP)
- Operates in Data Mode and AT Command Mode
- UART/USART Interface for Easy Integration
- Reliable Wireless Data Transmission
- Authentication and Encryption Support
- Compact Design for Embedded Applications
- Compatible with Arduino, Raspberry Pi, ESP32, STM32, and AVR Microcontrollers
📋 Specifications
- Bluetooth Profile: Serial Port Profile (SPP)
- Bluetooth Version: Bluetooth v2.0 + EDR
- Frequency Band: 2.4GHz ISM Band
- Modulation: GFSK (Gaussian Frequency Shift Keying)
- Sensitivity: -84dBm at 0.1% BER
- Data Rate: 2.1Mbps (Asynchronous Max), 1Mbps (Synchronous)
- Output Power: 4dBm (Class 2)
- Operating Voltage: 3.3V
- Current Consumption: 50mA
- Dimensions: 26.9 × 13 × 2.2 mm
- Operating Temperature: -20°C to +75°C
📱 Applications
- Wireless Robotics
- Home Automation Systems
- Industrial Monitoring and Control
- GPS Data Transmission
- Wireless Sensor Networks
- Data Logging Systems
- Embedded and IoT Projects
- Computer and Portable Device Communication
📦 Package Includes
- 1 × HC-05 Bluetooth Module
