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For a hardware project, I'm looking for a simple, robust Bluetooth controller on which I can solder buttons. I found the Bluefruit EZ-Key but I don't like it that I can't change the name.

I've Googled quite a lot but cannot find any alternative. Are there any other standalone Bluetooth controllers around? Or is it possible to build one yourself?

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Red Bear labs has quite a few options. I have used the Blend micro and didn't encounter any problems. I am fairly certain you can change the name too.

http://redbearlab.com/blendmicro/

They also have smaller/larger models

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