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BIQU MKS-TMC2100 Stepper Motor Driver Board Ultra-quiet Drive with Heat Sink for 3D Printer
Descriptions: 1, the drive current algorithm: i = Vref * 1.9 / 2.5, the default Vref about 0.65v, so the default current 0.5A, the maximum current 1A. 2, Vref measures Gnd and potentiometer middle end voltage. 3, when measuring voltage must not connect the motor, or easy to burn drive. 4, measuring voltage should be connected to power, do not just connect the USB power supply. Attention: When using the TMC2100, some tips you need to follow. 1, Adjust the potentiometer with a special ceramic screwdriver. Otherwise, the drive is easy to be damaged. 2, The heatsink on the drive block is stuck to the middle of the chip (the other driver is the same) otherwise, it is liable to be shortened in current with the next pin. Specifications: Brand Name: BIQU Product Name: TMC2100 Stepper Motor Driver For: 3D Printer Package Included: 1 x TMC2100 Stepper Motor Driver