Wearable Intertace for Teleoperation of Robot Arms - WITRA

[Update 2] Bluetooth USB Adapter
Update #10109  |  09 Aug 2014

Bluetooth USB adapters are a bit difficult to find nowadays because almost every laptop, PC, smartphone or tablet already has built in bluetooth capability. Thus, we tested a few bluetooth dongles and ended up finding one that works well with the Toradex Colibri running Windows CE 7.

The problem with bluetooth dongles is that, although they are pretty much cheap, a lot of them have obsolete drivers or do not get recognized by a PC or by the Toradex module.

We thought it would be a good idea to post this update here because other people may want to use bluetooth communication in a project.

Basically we followed the information from the Toradex website.  At this link, there is some information like "Any USB dongles based on the CSR BlueCore4 chipset (BC04) works with the MS WinCE USB Bluetooth Stack". We recommend that you use one of the indicated bluetooth USB adapters. We are using the DELOCK Bluetooth USB 2.0 Micro Cl2 10m V3.0 EDR. It was impossible to find it in Brazil, so we had to order from Germany. This may be a problem for people in countries like Brazil, since here we only find those obsolete, not-functioning dongles mentioned above. Anyhow, this update can be a shortcut for some people. 

DeLock Bluetooth USB Adapter

The installation process was straight forward. Toradex provides the flash installers to add bluetooth support here. We are using Windows CE 7 and the Windows CE 6.0 flash installer works fine. One just has to download it, extract and paste the .cab file to the flash disk on the Toradex module. Then, simply double click it and it will be installed. 

After that, the device should be found by your computer or smartphone. You can pair with it, like we did:

Pairing the devices

Finally, you will find the file "bthpnl", a Bluetooth Manager that was installed on your Toradex module after you've installed the Flash Installer. Double click it and you can scan nearby bluetooth devices and add to a trusted list the ones you want to be communicating with it. 

Trusted Devices

Now you should be ready to go! Our next step will be to create the sockets for bluetooth communication. We hope to post soon an update explaining how to do it: to create a server and a client and send data between the devices. 

Comments and suggestions are always welcome! If any doubts were left, please don't hesitate in contacting the WITRA Team. 


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