title: Which point to start with BLE technology on iOS
body: <p>I need to develop with BLE technology. I found some introductions and source code:</p>
  
  <p><a href="http://processors.wiki.ti.com/index.php/Category:IPhone4SBLEDemo">http://processors.wiki.ti.com/index.php/Category:IPhone4SBLEDemo</a></p>
  
  <p>but I didn't find any tutorial to start from scratch with this technology (CoreBluetooth framework) from choose the sensor for testing, also WWDC 2011</p>
  
  <p>Is there any tutorial to start with BLE technology on iOS?</p>
  
  <p>Many Thanks!</p>