| 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...
| 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...
| 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...