You can make your very own BMO with 3D Printing and DIY electronics. This guide will walk you through the steps of 3D printing the parts, soldering the components and assembling this delightful electronic companion.
The mini 8x8 LED matrix makes an awesome head for BMO, programed to display several fun and playful facial expressions. Program your own animation to make new faces, letters or totally mathematical expressions ;-)
This guide was written for the Gemma v2 board, but can be done with either the Gemma v2 or M0 Gemma. We recommend the Gemma M0 as it is easier to use and is more compatible with modern computers!

This guide was first published on Feb 20, 2014. It was last updated on Jun 19, 2024.

This page (Overview) was last updated on Mar 08, 2024.

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