--- product_id: 463507302 title: "DUBEUYEW 4pcs HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino" brand: "dubeuyew" price: "FREE" currency: HKD in_stock: false url: https://www.desertcart.hk/products/463507302-dubeuyew-4pcs-hc-05-wireless-bluetooth-rf-transceiver-master-slave store_origin: HK region: Hong Kong --- # 30mA Idle Current Bluetooth 2.0 3.6V-6V Input DUBEUYEW 4pcs HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino **Brand:** dubeuyew **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > πŸ”— Connect, Control, Create! ## Quick Answers - **What is this?** DUBEUYEW 4pcs HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino by dubeuyew - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/463507302-dubeuyew-4pcs-hc-05-wireless-bluetooth-rf-transceiver-master-slave) ## Best For - dubeuyew enthusiasts ## Why This Product - Trusted dubeuyew brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Low Power Consumption:** Enjoy extended usage with only 10mA after pairing. - β€’ **Seamless Connectivity:** Easily integrate Bluetooth into your Arduino projects. - β€’ **User-Friendly AT Commands:** Configure settings effortlessly with AT commands. - β€’ **Versatile Control Options:** Control gadgets like switches and LEDs from your Android device. - β€’ **Real-Time Status Indicators:** Know your connection status at a glance with LED indicators. ## Overview The DUBEUYEW HC-05 Bluetooth Module is a versatile 4-piece set designed for seamless wireless communication in Arduino projects. With a wide input voltage range and user-friendly AT command settings, this module allows for easy integration and control of various gadgets via Bluetooth, making it an essential tool for tech enthusiasts and developers. ## Description Specification: Input Voltage: 3.6V-6V Working Voltage: 3.3V Default Baud Rate: 9600 Default Pairing Password: 1234 Default Name: HC-05 Leads 6 Pins: EN/VCC/GND/RXD/TXD/STATE (Bluetooth State Leads, NOT Connected Output Low Level, the Output High Level After Connection) Wiring Method: VCC: Connect the Power Supply Positive GND: Connecting the Cathode RXD: The Receiver, the Bluetooth Module Receives Data from Other Devices, and the Sending End TXD of the Other Devices Normally TXD: Send End, Bluetooth Module Sends Data to other Equipment; the Receiving End RXD of the Other Equipments Normally En: To Enable the End, Need to Enter the at Mode when 3.3V Package Contents: 4x HC-05 Bluetooth Module Note：the link from the machine, computer, Bluetooth with Bluetooth function from the function with a variety of hosts, the majority with a Bluetooth-enabled cell phone, PDA, PSP and other intelligent terminal pairing from not pairing between the machine. ## Features - HC 05 Bluetooth Module:Input Voltage: 3.6V-6V ( Prohibit more than 7V);Working Voltage: 3.3V On-Board 3.3V Voltage Regulator Chip, When Not Paired, Current about 30mA (due to LED Lights Flashing, Current in the State of Change); After the Pairing Succeeds, the Current is about 10mA. - AT Command Setting:HC-05 Module Setting by AT Command,Default Baud Rate: 9600;Default Password: 1234; Default Name: HC-05;Press the Button and Power On the Module to Enter the AT Mode. AT Commands are Executed Only in AT Mode, Easy to Use. - Working Status Indicator: HC-05 Module come with Connection Status Indicator,Fast Flashing LED Means No Bluetooth Connection, Slow Flashing Means Entering AT Mode, Double Flashing Means Bluetooth is Connected and the Port is Opened. - HC-05 Wireless Module:HC 05 Bluetooth Module,Which Can Help to Add the Bluetooth Feature to your Arduino Project Easily ,Then You Can Use Your Android Phone to Control Some Gadgets Such As: Switches, LED,etc.(NOTE:HC-05 Module Doesn't Works With iOS) - Customer Service: If there is any question in our product, please contact us freely, we will spare no efforts to provide help for you. ## Images ![DUBEUYEW 4pcs HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino - Image 1](https://m.media-amazon.com/images/I/712VR8jD8cL.jpg) ![DUBEUYEW 4pcs HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino - Image 2](https://m.media-amazon.com/images/I/61UTpWTbYMS.jpg) ![DUBEUYEW 4pcs HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino - Image 3](https://m.media-amazon.com/images/I/61k8NJwCLnL.jpg) ![DUBEUYEW 4pcs HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino - Image 4](https://m.media-amazon.com/images/I/51VbG2inP0S.jpg) ![DUBEUYEW 4pcs HC-05 Wireless Bluetooth RF Transceiver Master Slave Integrated Bluetooth Module 6 Pin Wireless Serial Port Communication BT Module for Arduino - Image 5](https://m.media-amazon.com/images/I/61vv0KafKhL.jpg) --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hk/products/463507302-dubeuyew-4pcs-hc-05-wireless-bluetooth-rf-transceiver-master-slave](https://www.desertcart.hk/products/463507302-dubeuyew-4pcs-hc-05-wireless-bluetooth-rf-transceiver-master-slave) --- *Product available on Desertcart Hong Kong* *Store origin: HK* *Last updated: 2026-06-07*