Fig. H: The white, yellow, red, and blue bricks shown
here are used as a color-coded gadget identifier.
Fig. I: Build the Lego charger base station by running
charger brick wires over the top of the base brick
(shown here in gray) and running them behind the base
brick. You can use a Lego software application, such as
the free MLCad ( ldraw.org) to try out different designs
Fig. J: Color-code the connections with a 2× 2 plate on
the device end and a 2× 2 brick on the charger end.
Fig. K: The 2× 2 brick below the power wire brick will
help prevent your gadget from falling. Fig. L: Drill holes
into four 2× 2 bricks and add screws. These "screw
bricks" will be used for wall-mounting. Fig. M: Snap
screw bricks onto base brick. Measure, mark, and drill
holes in wall. Figs. N and O: Mount charger on wall.