DIY PSU Into Bench Power Supply

This is my bench power supply made out of an PSU. Any questions....? I'll be glad to help.

And here is the schematic.. (in the schematic there is a mistake, the USB should be connected to ground an +5 instead of -5)
https://www.instructables.com/files/orig/F88/8JHO/FSSIQIA5/F888JHOFSSIQIA5.pdf

And here you can see a graphic schematic.
https://www.instructables.com/files/orig/F2D/LMFU/FYYNECNH/F2DLMFUFYYNECNH.jpg