User Manual

Pololu m3pi expansion kit.

The m3pi expansion kit PCB has all of

the surface-mount components

populated, but none of the through-

hole components ship soldered in.

When combined with a 3pi robot

[https://www.pololu.com/product/975] (not

included), the m3pi expansion kit

includes everything required to make

your own fully-assembled m3pi robot

as pictured in the section above. These

components are shown in the picture

on the right and include:

• Two 2×20 0.1″ female headers

for adding an mbed socket

• One 1×11 0.1″ female header

[https://www.pololu.com/product/

1021] and one 1×12″ female header [https://www.pololu.com/product/1030] for adding a Wixel

socket

• Two 1×10 2mm female headers for adding an XBee socket

• One extended 2×7 0.1″ male header [https://www.pololu.com/product/1115] and two extended

1×2 0.1″ male headers [https://www.pololu.com/product/1114] for connecting the expansion PCB

to a 3pi base

• One 2×7 0.1″ female header [https://www.pololu.com/product/1027] and one 1×2 0.1″ female

header [https://www.pololu.com/product/1012] for soldering to the 3pi base so it can accept the

male connectors of the m3pi expansion PCB

• One 1×2 0.1″ female header [https://www.pololu.com/product/1012] for use as a charge port on

the expansion PCB

• Three 1×2 0.1″ male headers [https://www.pololu.com/product/965] for use with shorting blocks

[https://www.pololu.com/product/968] for optional configuration of m3pi PCB connections (three

blue shorting blocks are also included)

• One 6-pin shrouded ISP connector [https://www.pololu.com/product/854] that can be used with

the included 12″, 6-pin ISP cable [https://www.pololu.com/product/972] to optionally let the mbed

program the 3pi base

• One USB A connector (can be used when the mbed is acting as a USB host)

• Three pushbuttons [https://www.pololu.com/product/1400] for use as a power button and two

1. Overview Page 5 of 39