nanoDLP

大家好，我在制作一台3D打印机，使用LCD液晶屏的方式，没有使用投影仪，目前我制作了nanodlp直接控制的PCB板，但是测试时候步进电机没有工作，能否告诉我这nanodlp直接控制的PCB板该如何接线，以便验证我接线是否正确，我想要上传图片，但是在论坛没找到可以上传图片的方法。

Hello, I'm making a 3D printer, LCD LCD screen, without the use of projector, PCB plate at present I made nanodlp direct control, but the test when the stepper motor does not work, can you tell me the nanodlp PCB board directly control how to verify my wiring, the wiring is correct, I you want to upload pictures, but not found in the forum can upload pictures.
              -------Translation comes from Baidu