Tag Archives | cnc

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DIY Piezo-Electric Touch Probe with high sensitivity

I built this mechanical piezo-electric touch probe recently as an extension to a CNC machine to sense the depth of surfaces. It works with the grbl CNC controller and probably others. The goal was to flip a TTL (5V) signal whenever the probe was touching a surface mechanically. Unlike classical mechanical switches which have moving parts, this probe is ‘solid state’ and […]

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Simple OpenGL output using pyglpainter library

OpenGL programming in Python: pyglpainter

This was a recent hobby programming project of mine for use in a CNC application, using Python and OpenGL. The source code is available at https://github.com/michaelfranzl/pyglpainter . This Python module provides the class PainterWidget, extending PyQt5’s QGLWidget class with boilerplate code neccessary for applications which want to build a classical orthagnoal 3D world in which the user […]

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