HC-05 TTL Bluetooth Transceiver Module (Without Button)

Specification : 

  • Bluetooth Specification: V2.0+EDR (Enhanced Data Rate)
  • Operating Voltage: 3.6V to 6V DC
  • Communication Protocol: UART (Universal Asynchronous Receiver/Transmitter)
  • Default Baud Rate: 9600 bps (configurable)
  • Master/Slave Mode: Can be configured as either a master or a slave device
  • Range: Up to 10 meters (30 feet)
  • Frequency: 2.4GHz ISM band
  • Operating Modes: Data mode (transmission and reception of data) and AT command mode (for configuration)
  • Dimensions: Compact and easy to integrate into various projects
SKU: RDNA-86.5

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502.00 (Inc. GST)
425.42 (+18% GST Extra)

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  • Pick up from the RoboticsDNA Store in Pune / Dunzo

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The HC-05 is a versatile, low-cost Bluetooth transceiver module that facilitates wireless serial communication between devices. It operates using the TTL (Transistor-Transistor Logic) protocol and is designed to allow seamless data transfer for a variety of embedded systems and microcontroller applications. This particular version of the HC-05 does not include a physical button for mode selection, making it suitable for integration in projects where space and simplicity are prioritized.


  • Wireless Communication: Establishing wireless serial communication between microcontrollers, computers, and other devices.
  • Home Automation: Integrating into home automation systems for controlling devices wirelessly.
  • Robotics: Enabling remote control and data exchange in robotic applications.
  • Health Monitoring Systems: Facilitating wireless data transmission in wearable and portable health monitoring devices.
  • Industrial Automation: Implementing in industrial environments for wireless control and monitoring of machinery and equipment.

Pin Configuration:

  • VCC: Power supply (3.6V to 6V)
  • GND: Ground
  • TXD: Transmit data (connected to the RXD pin of the microcontroller)
  • RXD: Receive data (connected to the TXD pin of the microcontroller)
  • State: Output pin to indicate the connection status
  • EN: Enable pin (used to set the module in AT command mode)

Package Includes :

1 x HC-05 TTL Bluetooth Transceiver Module (Without Button)







Video Card





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