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HC-05 Wireless Bluetooth Transceiver

Zaitronics
$8.30 AUD

Delivery and Shipping

Delivery Options

We offer several delivery choices to fit your needs:

  • FREE Delivery: $0. Enjoy Free AusPost Parcel Standard Delivery on orders over $100 in value. Exclusions may apply.
  • AusPost Untracked Letter: $3. Delivery in 3-8 business days (untracked). No refunds or replacements without proof of receiving the order.
  • AusPost Parcel Standard: $9. Tracked delivery in 2-6 business days.
  • AusPost Parcel Express: $13. Express tracked delivery in 1-3 business days.

Additional Information

  • Non-metro addresses in WA, NT, SA & TAS may require extra time.
  • Certain batteries (like LiPo) cannot be shipped by air, affecting Express Post availability.
  • We recommend selecting tracked options for valuable items. Untracked orders will not receive tracking numbers or refunds without proof of delivery.

Note: Orders containing backordered item will delay delivery until all items are available

Warranty & Refund Policy

Warranty & Refund Policy

  • Standard Warranty: 12 months for all products. Low-cost hobby parts have a 90-day warranty unless safe handling is shown.
  • Exceptions: Kits and interfaceable electronics may not be covered if damaged due to misuse.
  • Returns: Contact support via your order confirmation email within 14 days of purchase. Items must be unopened and in original packaging. Proof of purchase is required.
  • Defective/Damaged Items: Notify us within 30 days for a free refund or replacement.
  • Return Shipping Costs: Paid by the customer unless the item is defective. Shipping costs are non-refundable.

Ships directly from Melbourne

The HC-05 Bluetooth module is a compact and powerful solution for integrating Bluetooth communication into your projects. Here are the key specifications and pinout details:

 

Specifications:

  • Bluetooth Protocol: Complies with Bluetooth Specification v2.0+EDR (Enhanced Data Rate).
  • Frequency: Operates in the 2.4GHz ISM band.
  • Modulation: Utilizes GFSK (Gaussian Frequency Shift Keying).
  • Emission Power: Up to ≤4dBm (Class 2).
  • Sensitivity: Receives signals down to ≤-84dBm at 0.1% BER.
  • Speed:
    • Asynchronous communication: 2.1Mbps (Max) / 160 kbps
    • Synchronous communication: 1Mbps/1Mbps
  • Security: Supports authentication and encryption.
  • Profiles: Provides a Bluetooth serial port profile.
  • Supply Voltage: Operates within the range of +3.3V to 6.0V.
  • Supply Current: Typical current consumption is around 30mA.
  • Working Temperature: Suitable for use between -20°C to +75°C.
  • Dimension: Compact size of approximately 26.9mm x 13mm x 2.2mm.

 

Pinout:

  1. KEY/EN: Used to switch the Bluetooth module between AT commands mode and data mode. Default baud speed in command mode is 38400bps, and in data mode, it’s 9600bps.
  2. VCC: Connect to 5V or 3.3V to power the Bluetooth module.
  3. GND: Ground connection.
  4. TXD: Transmit data from the module to the microcontroller (connect to the microcontroller’s RXD pin).
  5. RXD: Receive data from the microcontroller (connect to the microcontroller’s TXD pin).
  6. STATE: Acts as a status indicator, checking if the module is connected.

 

Ideal Applications:

  • Wireless Communication: Use it for wireless data exchange between devices.
  • Remote Control: Create Bluetooth-controlled robots, home automation systems, or smart devices.
  • Sensor Networks: Connect sensors wirelessly to a central controller.
  • IoT Prototyping: Ideal for Internet of Things (IoT) projects.

 

Whether you’re building a smart home system, a robot, or a custom Bluetooth-enabled gadget, the HC-05 Bluetooth module simplifies wireless communication. 

 

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