Description
HC-05 Bluetooth Serial Module with TTL Interface for Arduino & Microcontrollers
The HC-05 Bluetooth Serial Module is a versatile wireless communication module designed to provide reliable Bluetooth connectivity for microcontroller-based projects. Featuring a TTL UART serial interface and supporting Bluetooth v2.0 + EDR, the HC-05 enables seamless wireless communication between embedded systems and Bluetooth-enabled devices such as smartphones, tablets, and computers. It can operate as either a Master or Slave device, making it suitable for a wide range of applications including Arduino projects, robotics, home automation, industrial control, and IoT systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Module | HC-05 Bluetooth Module |
| Bluetooth Version | Bluetooth V2.0 + EDR |
| Communication Interface | UART (TTL Serial) |
| Operating Voltage | 3.6V to 6V DC |
| Logic Level | 3.3V TTL |
| Operating Mode | Master / Slave Configurable |
| Default Baud Rate | 9600 bps (Data Mode) |
| Communication Range | Up to 10 meters (Typical) |
| Frequency Band | 2.4 GHz ISM Band |
| Mounting Type | Development Module |
Key Performance Advantages
- Supports both Master and Slave communication modes.
- Simple UART serial interface for easy integration.
- Reliable wireless communication up to 10 meters.
- Compatible with Arduino, ESP32, STM32, AVR, PIC, and Raspberry Pi.
- AT Command mode for advanced configuration.
- Low power consumption and stable performance.
Typical Applications
- Arduino wireless communication
- IoT and smart home projects
- Robotics and automation
- Wireless serial communication
- Industrial monitoring systems
- Remote sensor networks
- Embedded system development
- Bluetooth-based control systems
HC-05-Bluetooth-Module-circuit
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