Saturday, May 14, 2011

The Capicitive Touch Booster Pack for the Launchpad



I took some time to play with the Capacitive Touch Booster Pack on the Launchpad. This kit from TI cost $ 4.30 during the initial 430 hours of release. I purchaed one because it looked cool. The booster pack is a shield-like board for the Launchpad that plugs into the headers. You must solder the male headers that came with the LP in order to connect a booster pack. The kit also comes with an 20 pin MSP430G2452 micro chip that is preloaded with the demo software. It was easy to hook up, although I could not find any where in the documentation that specified the orientation for the board. The demo provides a capacitive touch wheel surrounded by led's with a touch button in the middle. Very similar to the IPOD wheel interface. It also has a proximity sensor that wakes the board up when a hand is waved in front of it. The demo was impressive and worked right out of the box with no need to flash the microprocessor. TI provides an extensive library of sample code and a library of functions for the capacitive touch applications. Some day I may play with this some more and use the wheel in a hand held wireless remote for the quad.

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