26OCT14 The current build of KegCop appears to be working with the latest iOS 8.x.

An iPod Touch 5G communicates with a BLuno microcontroller via Bluetooth 4.0 Low Energy, which interfaces with a flowmeter and a solenoid cut off valve.
Wilson demos KegCop https://www.youtube.com/watch?v=1a6hxUb3zfU

• Bluno
• SF800
• McMaster-Carr. P/N 7876K14
  • solenoid cut off valve
  • 12VDC and and it uses ~ 1A
• Kegboard shield
• Kegboard coaster

• A USB port provides ~ 5V Volts and 500 mA milliAmps to a port, regardless of whether the port is USB 1.1 or USB 2.0