Geeetech

Thank you, the Arduino 1.0.1 worked.

Hello,

Completed assembly of i3 PRO B.

X motor running in reverse direction.

Using Arduino 1.6.11 on iMac (21.5-inch, Mid 2010), 3.6 GHz Intel Core i5, 2 GB 1333 MHz DDR3, ATI Radeon HD 5670 512 MB.

The following are error messages during compile:

Arduino: 1.6.11 (Mac OS X), Board: "Arduino ...