This kit gives you everything you need to add a second level to your 3pi robot. In this version, the LCD pins are brought up to the expansion board from the base via extended headers for your own custom use. This black printed circuit board matches the color of the 3pi and can also serve as a general-purpose round prototyping board.

This kit includes a round printed circuit board (PCB) with holes spaced on a 0.100" grid, two extended 2×7 male headers, two extended 2×1 male headers, a 2×7 female header, two 2×1 female headers, four 7/8" nylon spacers, four 1-1/4" screws, and four nuts.