This is a Texas Instruments Capacitive Touch Boosterpack. It is a plug in board for the LaunchPad development kit and MSP430 Value Line micro-controllers. It offers complete reference design for capacitive touch solutions, using the capacitive touch I/O ports of select MSP430 Value Line microcontrollers.  THis item only comes with the items pictured (Capacitive touch scroll wheel assembly & MSP430G2452IN20 Value LIne micro-controller). 

Featuring:

• Capacitive touch scroll wheel, button, proximity sensor, and on-board LEDs
• Includes MSP430G2452IN20 Value Line microcontroller
• Pre-programmed with demo firmware
• Supported by a complete capacitive touch software library

Specifications:

• Manufacturer: Texas Instruments
• Part Number: 430BOOST-CAPTOUCH1