Description :
HC-05 6-Pin Wireless Bluetooth Module with Button is a versatile and widely used module designed for seamless wireless communication between microcontrollers and Bluetooth-enabled devices. It operates using the UART (Serial) communication protocol, making it easy to send and receive data wirelessly in embedded systems.
Unlike basic modules, the HC-05 supports both Master and Slave modes, allowing it to connect with smartphones, laptops, other Bluetooth modules, and various embedded devices. The onboard push button simplifies switching modes and configuring the module via AT commands.
This module is ideal for applications such as robotics, home automation, wireless control systems, and IoT projects. Its compact size and easy interfacing make it perfect for beginners as well as advanced developers.
Specifications :
| Specification | Details |
|---|---|
| Item Type | HC Series Module |
| Model | HC-05 Bluetooth Module |
| Operating Voltage | 3.6 – 6V DC |
| Input Supply Voltage | 3.6 – 6V |
| Input Current | 50 mA |
| Switch/Button | Yes |
| Operating Frequency | 2.4 GHz ISM Band |
| Modulation Type | GFSK |
| Emission Power | 4 dBm (Class 2) |
| Sensitivity | -84 dBm @ 0.1% BER |
| Max. Range | Up to 10 meters |
| Length | 43 mm |
| Width | 16.5 mm |
| Weight | 5 grams |
Features :
- Low power consumption – ~30 mA (active), ~8 mA during communication
- No dedicated sleep/dormancy mode
- Supports Bluetooth v2.0 + EDR protocol
- Uses reliable CSR Bluetooth chipset
- Default baud rate: 9600 (configurable via AT commands)
- Supports both Master and Slave modes
- Enables wireless serial communication (UART)
- Data transfer speed up to 2.1 Mbps (asynchronous)
- Built-in authentication and encryption for secure communication
- Supports Bluetooth Serial Port Profile (SPP)
- Easy pairing with PC, smartphones, tablets, and other Bluetooth devices
- Seamless integration with Arduino, microcontrollers, and embedded systems
Package Included:
1X HC-05 Bluetooth Serial Module (6 Pin) with Push Button – Wireless Communication
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