Mini cnc build log #1
About a year ago I participated in a CNC group buy on a slovenian electronics forum (part of members split and formed another forum). Up to a few weeks ago I had all the elements packed up, but now I …
Category: CNC
Replacing potentiometer with up-down buttons on arduino
Sometimes you want an arduino application to be controlled either by a potentiometer (eg. joystick) or by a keypad. Here is a simple resistor circuit that uses two keys and mimicks a potentiometer in three different states – middle position, …
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Arduino capacitive sensor and the friction drum
I recently cut out a capacitive sensor on my old CNC machine for a friend working at the university. They plan to connect the sensor to Raspberry PI and try to make a virtual friction drum. The sensor is pretty …