DIY L297 L298N Stepper motor driver/controller HD

Hi , A small video showing my step motor controller. Based on L297 & L298N. Here is a link to download the PCB (DipTrace) : https://drive.google.com/file/d/0B0MskulQnyM1TkV2TVBXZmR6cDQ/edit?usp=sharing Here is a link to download the Schematics (DipTrace) : https://drive.google.com/file/d/0B0MskulQnyM1Vkt1WGJjaVlxcU0/view?usp=sharing Here is a link to download the part list (CSV) : https://drive.google.com/file/d/0B0MskulQnyM1cjJLVzY2WGFTaTg/view?usp=sharing Schematics PNG : https://drive.google.com/file/d/0B0MskulQnyM1bDlDcFk5VWZDOXM/view?usp=sharing BOM List PNG : https://drive.google.com/file/d/0B0MskulQnyM1aUt3WnJGNFdQVGs/view?usp=sharing