RS232 serial to USB converter cable schematic · AllPinouts RS232 serial to USB converter cable schematic. It appears that you are using AdBlocking software. The cost of running this website is covered by advertisements. If you like it please feel free to a small amount of money to secure the future of this website. Usb Rs232 Cable Wiring Diagram | USB Wiring Diagram Rs232 Converter Only Works When I Cross The Wires – Hardware – Particle – Usb Rs232 Cable Wiring Diagram. To be able to build a USB cable, then you have to collect these materials. USB to RS232 Converter – Circuit Wiring Diagrams But, They did not seem to support ALL the RS232 lines. The USB to RS232 converter using the FT8U232AM and a Maxim-IC MAX235. The FT8U232AM requires a small number of external components to produce a device that converts USB to TTL level RS232 signals. All you need to add is a TTL to RS232 converter to provide the 12V RS232 logic levels. Wiring Diagram Usb To Rs232 - Wiring Diagram Usb rs232 cable wiring diagram usb rs232 cable wiring diagram usb to serial cable circuit diagram there are lots of sorts of electronics available. The easiest way to connect computer peripherals is through a universal serial bus. Most of them utilize usb cable. All you need to add is a ttl to rs232 converter to provide the 12v rs232 logic levels.