A development board designed with FT2232 chip, which fully leads out the IO port, can be used to design an interface expansion board based on this.
Physical image:




Block diagram:

Schematic diagram:





Circuit board diagram:




A development board designed with FT2232 chip, which fully leads out the IO port, can be used to design an interface expansion board based on this.
Physical image:




Block diagram:

Schematic diagram:





Circuit board diagram:



