I really don’t down where the problem is,When i connect the sprinkler to computer with USB,my computer has no response,LCD of sprinkler shows “Detecting uSD…” and soon will turn to “Connecting…”,after a minute “-Disabled!-“,This problem makes me can’t do any change, I had install the usbasp-windriver,According to the Recommand,hold B2 2s and choose the usbasp.2011-05-28 folder,But when i pull up the USB and connect again,Everything goes again,just as i said before,Please help me solve this problem,thank you very much!