FEATURES
- Ultra quiet
- Large heat sink,good heat dissipation
- Support sensorless-homing function.
- Support uart mode by set jumper caps instead of welding on mks gen_l V2.0,skr1.3/1.4,mks sgen_l.
Parameter
- Default current:1.25a
- Max current:2.5a
- Logic voltage:3.3v/5v
- Input voltage:5.5v-28v
- Microstep:up to 1/256
- Mode:dir/step,uart
Microstep
Microstep setting | ||
M0 | M1 | STEP |
GND | GND | 8 |
VCC_IO | GND | 32 |
GND | VCC_IO | 64 |
VCC_IO | VCC_IO | 16 |
Driver current regulation
- Vref measures the voltage of Gnd and potentiometer middle.
- Please DO NOT connect the motors when measuring the voltage, or it’s easy to burn the drive.
- Please connect the power supply when measuring voltage as well, do not connect only the USB power.
- Please pay special attention to the direction, do not insert wrongly!
Driver current algorithm
I=Vref Default I=1.25A
Notice
- Pay attention to the connection direction, do not reverse it.
- The motor direction is opposite to that of A4988 and DRV8825, please adjust the firmware or adjust the motor wiring if you want to change A4988.
- Dir/step mode used in the printer control board, please pay attention to set the jumper cap MS1 MS2.
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