The CNC USB MACH3 100KHz Breakout Board is a high-speed, 4-axis motion controller designed for smooth communication between your PC and CNC machine via USB. Supporting up to 100KHz pulse frequency, this interface board is ideal for driving stepper motor drivers like TB6600 and TB6560, with full compatibility with MACH3 CNC software. Ideal for CNC routers, laser engravers, and automated machinery projects.