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HC-05 Bluetooth Module (UART / TTL) – Wireless Serial Communication Module for Arduino, Raspberry Pi, STM32, ESP32 & Robotics Projects | Buy Online in India
HC-05 Bluetooth Module (UART / TTL) – Wireless Serial Communication Module for Arduino, Raspberry Pi, STM32, ESP32 & Robotics Projects | Buy Online in India
SKU:AA095
1008 in stock
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Delivery Time
Delivery Time
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- Delivery time if the order item is on Preorder Status is 15-20 working days.
COD (Cash on Delivery)
COD (Cash on Delivery)
- For COD you have to pay extra charges of Rs 350/- before the shipment. (We will share the company QR Code, UPI ID or Account details for the same)
Description:
Wirelessly Connect & Control Your Projects with HC-05 Bluetooth Module
The HC-05 Bluetooth Module is a powerful, affordable wireless serial communication module that enables seamless data transfer between microcontrollers and Bluetooth-enabled devices. Perfect for Arduino, Raspberry Pi, ESP32, STM32, and robotics projects, it simplifies the creation of wireless connections for automation, IoT, and embedded systems.
Whether you’re building a smart car, sensor node, or IoT prototype, the HC-05 ensures stable, fast, and long-range wireless connectivity with easy UART/TTL interfacing.
Specifications:
| Bluetooth version | V2.0 + EDR |
| Frequency band | 2.4 GHz ISM, GFSK |
| Operating voltage | 3.6 V – 6 V |
| I/O logic level | ~3.3 V (non-5V tolerant RX) |
| UART interface | Yes (RX, TX, with programmable baud) |
| Default baud (data) | 9600 bps |
| Default baud (AT) | 38400 bps |
| Sensitivity | ~ -80 dBm |
| Transmit power | Up to +4 dBm |
| Communication range | ~10 m (open field) |
| Dimensions | ~27 mm × 13 mm × 2 mm |
| Operating modes | Master, Slave, AT command, Data mode |
| Operating temperature | -25 °C to +75 °C (typical) |
Features:
| 🔗 Bluetooth Version | 2.0+EDR (Enhanced Data Rate) |
| ⚡ Operating Voltage | 3.3V to 6V (Typical 5V) |
| 🔧 Communication Interface | UART / TTL |
| 📶 Transmission Range | Up to 10 meters (30 feet) |
| 🧠 Default Baud Rate | 9600 bps (Configurable via AT Commands) |
| 🔋 Current Consumption | ≤ 40 mA (Active Mode) |
| 🔄 Modes | Master & Slave Selectable |
| 🧰 Status Indication | LED Status Indicator |
| 📱 Compatibility | Android, Windows, Linux, Arduino, Raspberry Pi, STM32, ESP8266, ESP32 |
Applications:
- ✅ Wireless Data Transmission between Arduino Boards
- ✅ IoT Devices & Smart Home Automation
- ✅ Bluetooth-Controlled Robots and RC Cars
- ✅ Wireless Sensor Networks
- ✅ PC-to-Microcontroller Communication
- ✅ Serial Data Logging and Remote Monitoring
💡 Why Choose the HC-05 Module:
- 🔹 Easy Integration: Standard UART interface makes it plug-and-play with Arduino IDE.
- 🔹 Dual Role Support: Can function as both Master and Slave device.
- 🔹 Reliable Range: Strong signal up to 10m with minimal latency.
- 🔹 Configurable Settings: Baud rate, name, and pairing pin editable via AT Commands.
- 🔹 Wide Compatibility: Works across major development boards and microcontrollers.
- 🔹 Low Power Consumption: Perfect for battery-operated projects.
Pin Description:
Package Included:
- 1 × HC-05 Bluetooth Module (UART / TTL)
- 1 × 6-pin male header
- (Optional) Small jumpers
⚡ “Make your projects go wireless in seconds — connect, code, and control with the trusted HC-05 Bluetooth Module.”
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