Pololu Wixel - Manual (Page 26)

• 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 © 2001–2014 Pololu Corporation
5. Connecting Your Wixels Page 26 of 64