With all the hardware in place: motors, bumpers, buzzer, and enhanced power system, the wiring looks like this:

And are some shots of the final build.

Here are some shots of the final build.

While mounting the motors on the top of the chassis makes it easier to attach the bumpers and tail, it does mean that whatever you attached them with has to bear the full weight of the bot.

 

If you have trouble with them coming unstuck you can add a couple zip ties on each motor to take that stress off of the adhesive. You still want to stick them in place so they don't wiggle around.

The code in it's entirety is below, copy it to you Circuit Playground Express and off you go.

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This guide was first published on Jul 30, 2018. It was last updated on Jun 12, 2024.

This page (Putting it All Together) was last updated on Jun 12, 2024.

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