Year: 2009

Ask MAKE: Pull-up resistor

Ask MAKE: Pull-up resistor

Ask MAKE is a weekly column where we answer reader questions, like yours. Write them in to becky@makezine.com or drop us a line on Twitter. We can’t wait to tackle your conundrums! So what’s a pull-up (or pull-down) resistor, anyway? Well, it’s used when you’re reading an input voltage from some kind of sensor as […]

Designing walls for robot bricklayers

Designing walls for robot bricklayers

The folks at The Wolfram Blog sent us a link to this story about using Mathematica to design unconventionally shaped, but (hopefully) structurally sound, brick walls that robotic masons might build. The author of the piece, Chris Carlson, Wolfram’s Chief Interactive Graphics Developer, writes: A few groups have begun to experiment with the idea of […]