3pi Expansion Kit with Cutouts Assembly Guide

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RB-Pol-79: 3pi Expansion Kit with Cutouts - Black

The supplied header pins allow you to establish all of the necessary electrical connections

between the expansion PCB and the 3pi base. This kit includes a round printed circuit

board (PCB) with holes spaced on a 0.100" grid, one extended 2×7 male header, 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.

We recommend that you fully assemble the 3pi and its expansion kit before you solder

anything. This will ensure that once everything is soldered in, the expansion platform will

align properly with the base. We suggest that you assemble your expansion kit in the

following order:

1) Place the 2×7 female header and one of the 2×1 female headers into the proper

holes in the 3pi base as shown below (see the yellow rectangles).

Pololu 3pi robot with expansion kit female headers marked by yellow rectangles.

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www.robotshop.com RB-Pol-79: 3pi Expansion Kit with Cutouts - Black The supplied header pins allow you to establish all of the necessary electrical connections between the expansion PCB and the 3pi base. This kit includes a round printed circuit board (PCB) with holes spaced on a 0.100" grid, one extended 2×7 male header, 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.
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) Insert the long ends of the 2×7 and one 2×1 extended male header into these female headers. Additionally, insert an extended 2×1 male header into the battery charge port. Place the expansion PCB so the tops of these male headers seat in the proper places, as marked by the rectangles in the picture below. Note that the expansion PCB mounts with the silkscreen facing up. Solder connections for male headers on the 3pi expansion kit with cutouts.
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Bottom view of 3pi expansion 5) After assembly you will have a single 2×1 female header left over. You can use this to create your own battery charge port on the expansion PCB.