Has anyone built a USB interface to a BS2 using any of the 16 I/O lines? I want to keep the four pins for serial communication to a program download computer.
My idea is to use the BS2 as a peripheral device for setting digital outputs, reading digital inputs, and reading analog input voltages then interfacing them to a laptop computer. I want to use the built-in serial USB interface for downloading new I/O configurations only.
The I/O built USB must not run on the PC's USB port protocol...it must be separate so that the USB interface can run all the time without any Microsoft generated failures.