How To Get DB005 USB Bluetooth Module Work?

- Dec 09, 2019-

We have purchased a haardware D005 Dev Board.


Whenever we try to connect to the port, we get the message “Access to the port 'COM65' is denied.”

We have change the port number and restarted the computer with no luck.

I have also tried after disabling firewall but no luck.


Please let us know if there is any specific setting to be done.

1)Usually when we use DB005-USB Board, we do not need install any driver, it will auto install.

Please click :Device Manage->Ports(COM&LPT)



Silicon Labs CP210 is the driver.

2) If you check as above, and find that there is no driver.

Please download and install the driver before use:

3) If you Tried installing but you are getting the below message.



4)Please click :Device Manage->Ports(COM&LPT)->Silicon Labs CP210X USB to UART Bridge(COM4).

a:Please click the ''Silicon Labs CP210X USB to UART Bridge(COM4)''


b:Then choose'' Update Driver''.

c:Browse my computer for driver software


Then find the driver which already installed on your computer.

If you still have any query, do not forget to contact feasycom .