Red Bear Company Limited DUO 用户手册

Start the Terminal and use 'screen' command.

For example on OSX, start

Note: on Linux (e.g. Ubuntu), you may need to install screen by '$ sudo apt-get install screen'.

Type:

  For OSX:

      $ screen /dev/tty.usbmodemXXXXX

      where XXXXX is your Duo device serial port.

  For Linux:

      $ screen /dev/tty.ACMX

      where ACMX is your Duo device serial port.

Press 'v' to the terminal screen, you will see the firmware version.

Press 'i', you will see the Device ID of the Duo.

It will show something like the following lines:

  system firmware version: 0.1.1

  Your device id is 200027FFFc473530FFF23637

Note: after using the 'screen' command, type 'reset' to clear the screen.

You can use bootloader DFU or the RBLink to update the Duo firmware.

Follow this 

DFU

 to install the 'dfu-util' tool.

Download the zipped Duo firmware (latest version) for DFU with 

'_dfu'  ending in the filename and unzip it to a folder.

https://github.com/redbear/Duo/raw/master/firmware/

e.g. v0.2.1, 

browse

 the firmware folder or 

click here

 to download directly.

Start the Command Prompt (Windows) or Terminal (OSX)

If you are not in the DFU Mode, press and hold the 'SETUP' button on the Duo and then press the 'RESET' button, when the

RGB LED shows yellow and flashing, release the 'SETUP' button, the Duo will enter the DFU Mode.

From the command line box: