we have built a custom expansion board for *Verdex Pro, Verdex, Connex and
Basix* boards. This board gets power from 12v (automotive), has 2 full
RSR232 ports, a connector for the LCD screen EDMGRB8KJF and another
connector for the built in touch-screen. The touchscreen is handled by an
UCB1400, The contrast voltage of the LCD is controlled via a digital
potentiometer controlled by a gpio. The board is fully functional and it has
been tested on the field in a marine embedded environment for 2 years
without problems. Great job gumstix guys!!!!