PIC18F2455 OBD2 USB to RS232 converter circuits
USB-RS232 converter does not work well on desktop computers, but useful for Notebooks without COM port, most laptop computers do not have Serial com-port. Circuit PIC18F2455 microcontroller based on the circuit diagram hex software driver and observation programs are available. On PC desktops, RS-232 serial ports are disappearing from most computers (especially laptops) and are…