@chris-annin Thanks, as I understand for example my encoder resolution is 600ppr and micro step is set to 800 pulse per revolution then I need to set...

thank you so much, m clear now.

Thanks for quick reply! Got it now so I need to add 3.3v PS for physicaly limit swich. Another question is can i use proximity sensor for limit switch...

Update: I try to reinstall old version of win 10 ( build: 1803) then ar4 soft work normaly. So i think the problem come with something change in windo...

@chris-annin I got the same problem , when I run AR4.exe, command windows appear for 0.5s then nothing happen. I use win 10 64bit.

@ADGR Hi, could you send me your AR4 software? I dont know how to compile by myself. Thank alot. My email: minh.nguyen299@gmail.