Modifications

* '''SWDIO''': This is the SWD data pin (SWDIO), 3v logic - for advanced hackers!

* '''SWDIO''': This is the SWD data pin (SWDIO), 3v logic - for advanced hackers!

* '''F.RST''': This is the factory reset pin. When all else fails and you did something to really weird out your module, tie this pad to ground while powering up the module and it will factory reset. You should try the DFU reset method first though (see that tutorial page).

* '''F.RST''': This is the factory reset pin. When all else fails and you did something to really weird out your module, tie this pad to ground while powering up the module and it will factory reset. You should try the DFU reset method first though (see that tutorial page).

* '''DFU Button''': pushing this button when you power the shield up will force the Bluefruit LE module to enter a special firmware update mode to update the firmware over the air.

* '''DFU Button''': pushing this button when you power the shield up will force the Bluefruit LE module to enter a special firmware update mode to update the firmware over the air.<br />Once the device is powered up, this pin can also be used to perform a factory reset. Press the button for >5s until the two LEDs start to blink, then release the pin (set it to 5V or logic high) and a factory reset will be performed.

    Once the device is powered up, this pin can also be used to perform a factory reset. Press the button for >5s until the two LEDs start to blink, then release the pin (set it to 5V or logic high) and a factory reset will be performed.

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