HC-06 Bluetooth Module – Getting this sucker into AT Command Mode

hc-06After spending nearly 3 hours scouring the Web trying to find a way to configure my JY-MCU HC-06 Bluetooth module.  There are a lot of great tutorials out there.  Many of them refer to setting the key pin HIGH, or a combination of LOW then HIGH while powering on the module.  However, none of these approaches worked for the unit I have.  Read on to see how it can be done.  Oddly, I found the answer in the DX discussion forums related to this module.  Here’s the thread.  Read on for how I managed to get it working.

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