| Take two DVD players, use one as a plotting platform moving forward and backward, and mount the other vertically on it to provide left and r...
All items tagged with CNC and Arduino (3)
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![Tacho/RPM for CNC etc using Arduino Micro and OLED Display [130470-I]](https://cdn.xingosoftware.com/elektor/images/fetch/dpr_1,w_800,h_340,c_fit/https%3A%2F%2Fwww.elektormagazine.com%2Fassets%2Fupload%2Fimg%2Fpublic%2Foriginal%2Ftacho-display.JPG)
| I needed a tacho/RPM display for a CNC spindle. I decided to use an Arduino Micro and OLED display with a reflective LED/Photo transistor as...
| I needed a tacho/RPM display for a CNC spindle. I decided to use an Arduino Micro and OLED display with a reflective LED/Photo transistor as...