This is a pendant-style drawing robot I made and displayed at the Charlotte Mini Maker Faire in 2016. A whiteboard marker is placed in a 3D printed pen holder that is suspended by some ball chain. The ball chains are draped over two small stepper motors affixed to the top corners of the whiteboard, and…

This is a custom LED clock I designed. It is a framed 11×11 grid of LED pixels controlled by a custom circuit board. It can be programmed to tell the time as a word clock, or can be used as a really low-resolution pixel display.