A haptic feedback assembly includes interconnections for mechanically and electrically securing a haptic actuator in a track pad assembly so as to securely and efficiently provide haptic feedback to a user. The mobile node is served by an anchor point being a node, e. According to the invention, the device comprises at least two electronic cameras having a different spectral andor spatial resolution. Methods are also provided to deposit nanowires using an ink-jet printer or an aperture to align nanowires. At the end of the current window, the minimum hash value in the first buffer is selected as the landmark for the window.