The modern world runs on USB, also known as Universal Serial Bus. Whether it's the old-school USB-A ports built into hotel lamps or high-powered Thunderbolt powering entire workstations, USB is still ...
The device shown in Figure 17-1 is an RS-232–to–TTL converter board, designed to allow a PC with a serial (RS-232) port to communicate with a device that has a console (TTL) port. External converters ...