Ok here is the answers to some of your questions.
1) Did you buy everything from here? Yes all of the hardware and electronics
a)If you didn’t or changed some things please don’t leave out any details. I added support for the Full Graphic Smart Controller.(I have also tried without this.)
b)What firmware? Marlin 1.1.0-RC3
2) Are you using end stops? No
3) Are you using all my recommended parts? Yes
I have tried to run this with the drivers turned down same result it does work when i go through,” Set home offsets>Auto Home” i have drawled with it. and that seams to work.
I am using a SanDisk 2gb Fat32 SD Card have used it for years with my other 3d printer.
And i do not plan to use this machine for 3d Printing.