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About this product
3, [Drive Module Use Method] Remove the 3 jumper caps under the socket. The module has no subdivision setting. The step value is calculated according to 16 subdivisions. The chip uses a differential algorithm to expand 16 subdivisions to 256 subdivisions.
4, [Stable Performance] Stepper motor driver module is exquisite in workmanship, stable in performance, and can be used with confidence.
5, [Current] The current of the stepper motor controller is 1.4A, and the maximum current is 2A, which can meet your various needs.
Driving current algorithm: i = vref* 1.9/2.5, the default Verf is about 0.65V, so the default current is 1.4A, and the maximum current is 2A
Verf measures Gnd and the voltage at the middle end of the potentiometer
When measuring voltage, be sure not to connect the motor, otherwise the drive will be burnt easily
When measuring the voltage, the power should be turned on, and don’t just connect to the USB for power supply
Item Type: Stepper Motor Driver
Material: Plastic
Weight: Approx. 12g / 0.4oz
Algorithm and adjustment of module drive current
1 x Driver
1 x Module
1 x Accessories
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