Bluetooth module HC-05 with backplane HC-05 Bluetooth module

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$2.90 - $3.50 / Piece | 1 Piece/Pieces (Min. Order)
Supplier Type:
Original manufacturer
Media Available:
Lead Time:
Quantity(Pieces) 1 - 1000 >1000
Est. Time(days) 5 Negotiable
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Quick Details
Embedded System Development Boards and Kits
Place of Origin:
Guangdong, China
Model Number:
Product Name:
Bluetooth module HC-05 with backplane HC-05 Bluetooth module
Generic Package
Supply Ability
Supply Ability:
100000 Piece/Pieces per Month Bluetooth module HC-05 with backplane HC-05 Bluetooth module
Packaging & Delivery
Packaging Details
ESD Package
Lead Time :
Quantity(Pieces) 1 - 1000 >1000
Est. Time(days) 5 To be negotiated

Bluetooth module HC-05 with backplane HC-05 Bluetooth module



Description of Bluetooth module:

HC-05 could be setted to master or slave by user. HC-06 can only be master or slave which could be customized.
Wiring(only need 4 wires): RX to RXD / TX to TXD / GND to GND / 3.6V to 6V
Power: 3.3V
Note: This module does not suitable for IOS system.


Pin serial port descriptions of HC-05 module:

PIO8 connect LED, indicates the status of working, after powered the module flashing, different states in different flashing intervals.
PIO9 connect LED, indicates successful connecting module, after successful mating bluetooth serial port, LED long lights.
PIO11 state switch pin (high level) -> AT command response to the work state, low level or dangling -> Bluetooth regular work status.
On module with a reset circuit, re-power to complete the reset.


Main module setup steps:

1. PIO11 set high.
2. Power ON, the module into the AT command response status.
3. HyperTerminal or other serial tool, set the baud rate 38400, 8 data bits, 1 stop bit, no parity, no flow control.
4. Serial send characters "AT + ROLE = 1 r n", successful return "OK r n", which r n for carriage return.
5. PIO set low, re-power, module as the main module, automatic search from module to establish a connection.


6V - 4.5V power supply;
Support connect Android phones with Bluetooth;
The default baud rate: 9600 can be modified according to the data sheet;


Do you also need Uno Board?


Please check below:

HC-05 wireless module offered by Shenzhen Chengsuchuang Technology Co.,Ltd.

  • Question:I am interested in your product,how I place order?
  • Answer:You can send us inquiry or place order online via alibaba trade assurance,fill in the quantity,then clieck"Start Order".If your required quantity is much more,please inquire us to talk details.Email can be sent to: sales at
  • Question:What kind of payment you accept ?
  • Answered byShenzhen Chengsuchuang Technology Co.,Ltd :Bank Transfer,Alibaba Trade Assurance,Western Union acceptable.
  • Question:What kind of currency you accept ?
  • Answer:Usually,we accept USD as default currency.Of course other currency are able to accept according to your final requirments,like CNY,GBP,EURO Dollar etc.
  • Question:What deal terms you accept?
  • Answer:Usually we deal via EX-W or FOB Shenzhen Terms,for small order cargo shipment,EX-W+Express Shipping cost.Of course,they are able to discuss according to your request,in case you have forwarder in our local place to proceed,shipment can be arranged there also.
  • Question:What's the lead time after we placed order?
  • Answer:Usually,the lead time counted from the date payment received,if you are urgent to order shedule,please make sure the payment can be proceed as soon as possible.We will proceed the order within 1-3 days usually,and shipment usually take about 1 week for small order quantity,if quantity is more,please contact us to confirm.For project order lead time,please check our sales quotation as refference.
  • Are you able to manufacture?
  • Answer:Yes,we have production workplace for electronics hardware customized project is welcome,please contact us to talk more details.PCB design and PCB Assemble solution provided.If you have sample,quotation can be provided to us.


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