What motion controller does Carvey use?
Carvey uses a motion controller based around an ATmega328 microcontroller. Like the X-Carve, the Carvey accepts g-code sent from Easel which is then converted to the modulated pulses that drive the Carvey's stepper motors. Unlike many parallel-port based systems that run Mach3 or LinuxCNC, you just need a standard USB printer cable to connect to Carvey.
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