An interesting and informative Quillette article by Duke Law School Prof. Doriane Coleman, who has guest-blogged here on gender and sports. An excerpt from the introduction and the conclusion: With ...

Photo 1. No, this is not a giant pen, it is a minia- ture XY plotter. The heat- sensitive paper used is 9 cm wide. Most of us would never even cosider the idea of building an XY plotter or a matrix ...

This device translates X-Y analog plotter output into a stream of HP-GL commands to a file. (Hewlett-Packard Graphics Language, http://en.wikipedia.org/wiki/HP-GL ...

If you want to move a pen (or a CNC tool, or a 3D printing hot end) in the X and Y plane, your choices are typically pretty simple. Many machines use a simple cartesian XY motion using two motors and ...

Useless machines are generally built as a fun pastime, as they do nothing of value by their very definition. The most popular type generally involves a self-cancelling switch. However, there’s plenty ...

Abstract: XY Plotter is entirely different from the older CNC Machines. It is capable to write and draw the critical structures with the exact output. In this paper we going to reduce the cost of the ...

I just got a Makeblock XY plotter v2.0. It's pretty nice but the software and firmware both kinda suck. I found grbl and it looks great. I already got grbl running on my device (I can interact over ...

Abstract: In many specific laboratories the students use only a PLC simulator software, because the hardware equipment is expensive. This paper presents a solution that allows students to study both ...