I used V-USB for a couple of projects with my own code from scratch (i.e. No Arduino etc) and they work fine. I am using Win7 X64+libusb and use Vendor Specific commands only.

So he tried his hand with some really small SMD parts by building this USB to serial Arduino programmer. The chip he went with isn’t the FTDI part we’re used to. Instead of using an FT232RL ...

The Arduino cable tester is equipped with a touchscreen the Cable Tracer builds on a previous project that is now 70% ... Approx 70% smaller footprint, additionally includes RJ45, USB-A3, ...