At 01:30 AM 10/15/96 +0300, you wrote: >how can i use pic series to driving microstep stepper motor? >if you know or >if you know any site please help me. What amount of resolution are you looking for? Do you need a true sinusoidal or other microstep, or would half-stepping work (provides 0.9 degree resolution for most common stepper motors). Take a look at our web site under the ASIC's section for a good, easy to use stepper controller IC. We're at http://www.netins.net/showcase/elab -let me know privately if you need any hookup/ design assistance. -Todd Peterson E-LAB Digital Engineering, Inc. (712) 944-5344 tpeterson@netins.net