Texas Instruments' Capacitive Touch BoosterPack for the MSP430 LaunchPad is a low-cost way to jump start development for touch sensitive scroll wheel and proximity sensors.
Texas Instruments' Capacitive Touch BoosterPack (430BOOST-SENSE1) is a plug in board for the MSP430 Value Line LaunchPad development kit (MSP-EXP430G2). This BoosterPack features several capacitive touch elements including a scroll wheel, button, and proximity sensor. Also, on-board are nine LEDs that provide instant feedback as users interact with the capacitive touch elements. In addition, a timer-based UART enables communication to a PC for feedback via GUI or hyperterminal. This BoosterPack also includes a pre-programmed MSP430G2452IN20 Value Line device. 430BOOST-SENSE1 User's Guide