An Arduino Uno with a stepper driver shield is ... The CNC fundamentals are good, too – with minimal backlash and slop, the plotter is able to draw quite effectively. Old optical drives are ...

The idea is simple, place the plotter over a sheet of paper ... From there it gets converted to serial commands for an Arduino which controls the steppers with two EasyDrivers.

IDE 2.3.4 also brings a serial monitor with graph plotter, syntax checking, dark mode, DPI awareness, Project Explorer, and more. Arduino’s CLI 1.0 tool makes it easy for users to program and ...