₹299.00Original price was: ₹299.00.₹240.00Current price is: ₹240.00. GST
The HC-05 Bluetooth Module enables wireless communication between a microcontroller and smartphones or computers. It works easily with boards like Arduino Uno R3 and Arduino Nano.
The HC-05 is a classic Bluetooth (Bluetooth 2.0 + EDR) module used for serial communication (UART). It allows you to send and receive data wirelessly between a microcontroller and devices such as Android phones, laptops, or other Bluetooth modules.
The module can operate in Master or Slave mode, making it flexible for different communication setups. It is configured using AT commands, allowing control over baud rate, device name, and pairing settings.
This module is widely used in robotics control, home automation, wireless data logging, and IoT projects.
Key Features
Bluetooth 2.0 + EDR communication
Supports Master and Slave modes
UART interface (TX/RX communication)
Easy configuration via AT commands
Range up to ~10 meters
Compatible with Arduino and other microcontrollers
Technical Specifications
Parameter
Value
Communication
Bluetooth (Serial UART)
Bluetooth Version
2.0 + EDR
Operating Voltage
3.6V – 6V (module)
Logic Level
3.3V (TX/RX)
Range
~10 meters
Default Baud Rate
9600 bps
Pin Configuration
Pin
Description
VCC
Power Supply (5V)
GND
Ground
TXD
Transmit Data
RXD
Receive Data
EN/KEY
AT Mode Enable
STATE
Connection Status
What’s in the Box
1 × HC-05 Bluetooth Module
Ideal For
Wireless robot control
Home automation systems
Data transfer between devices
Arduino and embedded projects
IoT and mobile-controlled applications 📡
Weight
0.005 kg
Dimensions
3.8 × 1.5 × 0.5 cm
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