Purchase Hc 05 Bluetooth Module – Features, Pinout & Pricing
HC-05 Bluetooth Module - HC-05 Bluetooth Module with serial communication for Arduino & IoT. -Robocraze
HC-05 Bluetooth Module - HC-05 Bluetooth Module with serial communication for Arduino & IoT. -Robocraze
HC-05 Bluetooth Module - HC-05 Bluetooth Module with serial communication for Arduino & IoT. -Robocraze
HC-05 Bluetooth Module - HC-05 Bluetooth Module with serial communication for Arduino & IoT. -Robocraze
HC-05 Bluetooth Module - HC-05 Bluetooth Module with serial communication for Arduino & IoT. -Robocraze
HC-05 Bluetooth Module - HC-05 Bluetooth Module with serial communication for Arduino & IoT. -Robocraze
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Purchase Hc 05 Bluetooth Module – Features, Pinout & Pricing

HC-05 Bluetooth Module

Rs. 220
Rs. 349
Rs. 220
Save Rs. 129
Incl. GST (No Hidden Charges)
Please hurry! Only 3637 left in stock
SKU: TIFCC0034
  • Provide seamless wireless communication in applications like GPS navigation systems and smart metering using a wireless serial communication module for IoT projects
  • Easily switch between Master and Slave modes using AT Commands, highlighting key HC-05 master slave Bluetooth module features
  • Connect effortlessly with Arduino, phones, laptops, and microcontrollers—perfect as an HC-05 Bluetooth module for Arduino projects
  • Uses USART communication, making it compatible with most microcontrollers
  • Configure settings easily using command mode for better control
  • Supports DIY, IoT, and robotics applications with simple integration
  • Learn integration faster by understanding the Bluetooth module HC-05 pinout and working

For bulk purchase you can check HC-05 Bluetooth Module-Pack of 20

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HC-05 Bluetooth Module - HC-05 Bluetooth Module with serial communication for Arduino & IoT. -Robocraze
HC-05 Bluetooth Module
Rs. 349 Rs. 220
HC-05 Bluetooth Module - HC-05 Bluetooth Module with serial communication for Arduino & IoT. -Robocraze
HC-05 Bluetooth Module - HC-05 Bluetooth Module with serial communication for Arduino & IoT. -Robocraze
HC-05 Bluetooth Module - HC-05 Bluetooth Module with serial communication for Arduino & IoT. -Robocraze

HC-05 Bluetooth Module

Rs. 349 Rs. 220
Description

HC-05 Bluetooth Module

Are you in search of an HC-05 Bluetooth Module, a versatile and cost-effective solution for your wireless communication needs? Look no further. This wireless serial communication module for IoT projects offers seamless wireless communication for a wide range of applications, from GPS navigation systems to water and electricity meter readings.

Whether you're an electronics enthusiast, a DIY hobbyist, or a professional looking for competitive pricing, this module is designed to meet your requirements. The HC05 Bluetooth Module lets you switch between Master and Slave modes with ease using AT Commands, and it comes pre-configured in Slave Mode, showcasing essential HC-05 master slave Bluetooth module features.

Its compatibility with devices such as phones, laptops, and microcontrollers ensures hassle-free connectivity. With a USART interface, this HC 05 Bluetooth module is a perfect fit for microcontrollers supporting USART communication. Understanding the Bluetooth module HC-05 pinout and working makes integration even easier for beginners and professionals alike.

Ideal for DIY projects and data exchange, this HC-05 Bluetooth module for Arduino projects provides LED feedback for seamless operation, giving you the best bang for your buck.

The HC-05 Bluetooth Module with Baseplate is a slave-only device.  This means that it can connect to most phones and computers with Bluetooth but it cannot connect to another slave-only device such as keyboards and other HC-06 modules. To connect with other slave devices a master module would be necessary such as the HC-05 wireless communication module, which can do both master and slave.

What is the best price for HC-05 Bluetooth module online?

At Robocraze, the HC-05 Bluetooth module price in India starts at just ₹199, making it one of the most affordable and value-packed Bluetooth modules available. Prices may vary depending on current offers, stock availability, and bulk purchase discounts.

Unlike many low-cost marketplace sellers, we focus on quality-tested modules that ensure stable connectivity, reliable firmware performance, and long operational life. When comparing the HC-05 Bluetooth module price in India, our modules offer better reliability, compatibility, and long-term performance.

Our HC-05 modules are carefully sourced, verified for compatibility with Arduino and Raspberry Pi projects, and backed by proper customer support—making this HC-05 Bluetooth module for Arduino projects a trusted choice for developers and hobbyists.

Key Features:

  • Working current: matching for 30 mA, matching the communication for 8 mA.
  • With the computer and Bluetooth adapter, PDA, and seamless connection equipment.
  • Use the CSR mainstream Bluetooth chip and Bluetooth V2.0 protocol standards.
  • With the Potter default rate of 9600, the user can be set up.
  • Bluetooth protocol: Bluetooth Specification v2.0+EDR
  • Speed: Asynchronous: 2.1Mbps(Max) / 160 kbps, Synchronous: 1Mbps/1Mbps.
  • Security: Authentication and encryption.
  • Profiles: Bluetooth serial port.
  • Supports flexible communication thanks to HC-05 master slave Bluetooth module features
  • Ideal as a wireless serial communication module for IoT projects

Pin Diagram:

HC-05 Bluetooth Module Pin Diagram

Pin Description:

Pin Number

Pin Name

Description

1

Enable / Key

This pin is used to switch between command mode (set low) and Data Mode (set high). The default setting of this HC 05 Bluetooth module is Data Mode.

2

Vcc

This pin can be used to power the Bluetooth module. It has an operating voltage of +5V DC.

3

Ground

Connect the module's ground pin to the Microcontroller’s Ground Pin (GND).

4

TX – Transmitter

Sends serial data to the MCU. This pin will distribute all Bluetooth data in the form of serial data to the Microcontroller.

5

RX – Receiver

Obtain Serial Data. This pin will transmit all serial data that is provided to it over Bluetooth.

6

State

The on-board LED attached to the state pin can be used as feedback to see if Bluetooth is functioning properly.

7

LED

Indicates the status of Module

  • Blink once in 2 sec: Command Mode
  • Repeated Blink: Waiting for connection in Data Mode
  • Blink twice in 1 sec: Connection successful in Data Mode

8

Button

Used to control the Key/Enable pin to switch between Data Mode and Command Mode

HC-05 BLE Module Default Values:

  • Bluetooth Name: “HC-05”
  • Password: 1234 or 0000
  • Communication: Slave
  • Mode: Data Mode
  • Data Mode Baud Rate: 9600, 8, N, 1

Applications

  • Can be used for wireless communication between two microcontroller units.
  • Communicate with Laptop mobile phones etc.
  • Data Logging
  • Wireless Robots
  • DIY Home Automation Projects
  • Robotic Cars
  • Arduino Projects
  • GPS-based DIY projects.

HC 05 Bluetooth Module specifications comparison:

Feature HC-05 Bluetooth Module (Quality Verified) Generic Low-Cost Variant
Bluetooth Version Bluetooth 2.0 + EDR Bluetooth 2.0 (May lack EDR stability)
Operating Voltage 3.6V – 6V 3.6V – 6V
Logic Level 3.3V TTL May vary (Sometimes unstable)
Operating Frequency 2.4 GHz ISM Band 2.4 GHz
Default Baud Rate 9600 bps 9600 bps
Mode Support Master & Slave Often Slave only
Communication Range Up to 10 meters 5–10 meters (Inconsistent)
AT Command Support Full AT Command Support Limited or unstable support
Firmware Stability Verified & Tested Not always tested
Specifications

Package Includes:

  • 1 x HC-05 Bluetooth Module

Specifications:

Serial communications 9600-115200bps
Frequency 2.4~2.524 GHz
Power Supply  5VDC
Operating Current 30mA
Range <100m
Dimensions  30mm x 14mm x 2.2 mm
Weight  5 grams
FAQ

1. What is the Bluetooth module HC-05? 

  • The HC-05 Bluetooth Module is a simple Bluetooth SPP (Serial Port Protocol) module that allows for the setup of a transparent wireless serial connection. Its communication is via serial communication which makes an easy way to interface with the controller or PC. It is widely used as a wireless serial communication module for IoT projects due to its simplicity and reliability.

2. How do I connect the HC-05 Bluetooth module to Arduino? 

  • To connect a HC-05 to Arduino:

● Connect VCC of HC05 with 3.3V of Arduino, please do not connect it with 5V as that can cook the module 

● Connect GND with any GND of Arduino 

● Connect Rx pin with Tx of Arduino 

● Connect Tx pin with Rx of Arduino

 

This setup makes it ideal as an HC-05 Bluetooth module for Arduino projects, especially for beginners working on wireless communication.

3. Why is the Bluetooth module used? 

  • The Bluetooth technology manages the communication channel of the wireless part. The Bluetooth modules can wirelessly transmit and receive data between two devices. With the help of the host controller interface (HCI), the Bluetooth module can receive and transmit data from a host system. 

4. How do I know if my HC-05 is working? 

  • The first thing to do is to power on the Bluetooth module and see if you can connect to it. For this, you need an Android device. With the Bluetooth module powered and the LED(s) blinking, on the Android device go to Settings - Connections - Bluetooth and scan for Bluetooth devices. Understanding the Bluetooth module HC-05 pinout and working can also help troubleshoot connection issues effectively.

5.Why is HC-05 Bluetooth used?

  • When it comes to electronics and communication, wireless connectivity is quickly displacing traditional connections. A replacement for cable connectors The electronics are communicated with by HC-05 Bluetooth using serial communication. Typically, a short-range wireless connection is used to exchange files between small devices like mobile phones. It is utilized in numerous consumer applications, including wireless keyboards, wireless mouse, wireless headsets, and game controllers. It operates in the 2.45GHz range. Data can be transferred at a rate of up to 1Mbps over a distance of ten meters.
  • The operating range of the HC-05 Bluetooth module is 4-6V of power supply. Baud rates of 9600, 19200, 38400, 57600, etc. are supported. The most important feature is that it can be used in Master-Slave mode, which prevents data from being sent to or received from outside sources.

6.How many types of Bluetooth modules are there?

7. Is the HC 05 Bluetooth Module original and genuine?

  • Yes, the HC 05 Bluetooth Module available at Robocraze is original and quality-verified. Each unit undergoes proper inspection to ensure stable AT command functionality, correct firmware configuration, and reliable master/slave mode operation. We source our modules from trusted manufacturers and suppliers, ensuring consistent performance for robotics, IoT, and embedded projects. This guarantees you receive a genuine, fully functional module suitable for Arduino, Raspberry Pi, and microcontroller-based applications.
  • Additionally, when considering the HC-05 Bluetooth module price in India, Robocraze offers a balance of affordability and quality assurance, ensuring you receive a genuine and fully functional module suitable for Arduino, Raspberry Pi, and microcontroller-based applications.
Shipping & Return

Shipping Policy

  • All orders confirmed before 3:00 PM IST are shipped the same day, barring rare pickup delays on holidays or disturbances.
  • Delivery time in Metro cities is 1–3 days; for other locations, it is 3–7 days. Delivery varies based on location and courier service.

Return & Refund Policy

  • Return window: 7 days from receipt unless stated otherwise.
  • No refunds or replacements after the return window.
  • Returns are accepted only for non-working or damaged products.
  • Initiate return requests via a Support ticket or contact us at +91-8123057137.
  • Refunds are processed within 3–4 working days after inspection and approval.

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