ON 20080218@7:42:17 AM at page:
http://www.piclist.com/techref/member/ag-agel-i53/index.htm#39496.3210300926
Argun  Gucdemir[AG-ALA-] Says

Hi All,<BR>
I made a single side PCB for Linistepper driver (Roman Black's) and add: <BR>
Over current circuit, <BR>
multiturn current trimpots for different type of motors, <BR>
Opto coupler for protecting pc's i/o,<BR>
Argun<BR>