TMC2100 V1.3 Stepper Motor Driver + Mute Stepstick Smoother Set with Screwdriver for 3D Printer,Default NO5243

Decription:

Drive current algorithm: i = Vref * 1.9/2.5, the default Vref is about 0.65v, so the default current is 0.5A, the maximum current is 1A!

Vref measures Gnd and the voltage at the middle of the potentiometer.

Do not connect the motor when measuring voltage, otherwise it is easy to burn the driver.

The power should be turned on when measuring the voltage. Do not connect the USB power supply only.

Please pay special attention to directions.

Usage:

1. When using on Ramps 1.4 or MKS Gen, please remove the three jumper caps under the socket

2, pay attention to the direction

3, heat sink directly attached to the PCB

4. The motor direction is the opposite of 4988 and 8825. If you want to directly replace the 4988, adjust the firmware or adjust the motor connection.

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