Pololu Wixel User Manual

Page 26

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• You loaded a program which uses a different type of USB interface or no USB interface. In this case, check
the documentation of the app to see if there is a convenient way for getting the Wixel into bootloader mode.

No matter what state the Wixel is in, you can manually get it into bootloader mode by connecting USB, setting P2_2
high, and resetting the Wixel.

There are two main ways to accomplish this.

One way is to disconnect the Wixel from any possible power sources, connect P2_2 to 3V3 using a wire, and then
plug it into USB.

Using a wire to put the Wixel into bootloader mode.

Another way to is to wire a bootloader button and a reset button to the Wixel and follow the procedure shown in the
picture below:

Using pushbuttons to put the Wixel into bootloader mode.

Pololu Wixel User's Guide

5. Connecting Your Wixels

Page 26 of 64