azijoe90 wrote:hi. tq for your feedback.. i already connected power supply 12vdc to incoming supply for stepper motor. but what i missing is.. my power supply drop voltage to 10.33v when running G-code program.. after i change new power supply ATX.. my voltage is maintain 12vdc now. but new problem is if run rapid speed.. my stepper motor is stuck.. i already calibrate Vref for driver motor.. the problem is same. i thing my 4-wire Stepper Step Motor 1.8Deg 17HD48004-22B not support for fast moving.. or i have missing some adjustment again..
You will need to slow down the speed or increase the micro stepping.