This listing is for ONE (1) very nice high power handling switch! (Truth table below!) We have 4 available (see photos) they are all in the same great condition. Almost new, they might be new old-stock but being listed as used.
New version TB6600 4.5A CNC Engraving Machine Stepper Motor Driver Board 5 Segments Description - New version TB6600 4.5A CNC Engraving Machine Stepper Motor Driver Board 5 Segments Specifications: - one Axis 4.5A Stepper Motor Driver Borad Controller TB6600 Chip, support most parallet softwares KCAM4, MACH3 etc.
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