The HC-05 Bluetooth Module adds wireless serial communication to your Arduino, letting you control robots and read sensor data straight from your mobile phone. It is the standard way Pakistani students build Bluetooth-controlled car and home-automation projects.
Key Features
- Bluetooth 2.0 SPP serial (transparent UART)
- Master/slave capable, AT-command configurable
- Works with any Android Bluetooth terminal app
- On-board LED status indicator
- Simple TX/RX wiring to Arduino
Specifications
| Working voltage | 3.6V – 6V (module); logic 3.3V |
| Bluetooth | V2.0 + EDR |
| Default baud | 9600 |
| Range | ~10 m |
| Interface | UART (TX/RX) |
Popular Project Ideas
- Bluetooth-controlled robot car
- Wireless home automation from phone
- Bluetooth notice board / LCD
- Wireless sensor data logging
Order online anywhere in Pakistan or visit Arduino Corner at Shaheen Market, DAV College Road, Rawalpindi. We ship to Islamabad, Lahore, Karachi, Peshawar and every city with cash on delivery and fast dispatch — the trusted choice for students, hobbyists and FYP builders.




