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My Machine Won't Home

How to Diagnose Home Switches.   Homing is the process the CNC uses to drive each axis to a known location, generally...

Machine and Workpiece Coordinates

A CNC Router operates in a 3D universe. When you draw a shape on a piece of paper, you are creating a 2D image.  When...

Using a Touch Plate with BobsCNC

A touch plate is a simple electrical switch.  One side of the circuit is wired to the GND pin on the Arduino controll...

Getting Started With Universal Gcode Sender (UGS)

Before proceeding you should have downloaded the latest stable version of Universal Gcode Sender.  At the date of thi...

Gcode, Controllers, Grbl, Firmware Settings, and EEPROM: Holy Smokes! What Have I Gotten Myself Into?

For experienced woodworkers and hobbyists learning to operate a CNC Router is like moving to a foreign country.  Ther...

Shop Talk: Shopping for a CNC? Part 3 of 3

Shopping for a CNC? Bob and Keith talk about stepper motors, servo motors, and home switches.

Shop Talk: Shopping for a CNC? Part 2 of 3

Shop Talk: Bob and Keith discuss information that is pertinent to building or purchasing a CNC.

Shop Talk: Shopping for a CNC? Part 1 of 3

Shop Talk: Shopping for a CNC?   This is a three-part series in which Bob and Keith discuss things to consider before...
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