Eight digital outputs act as the parallel interface. When a byte is received over serial, the individual bits are set on the individual digital lines connected to the printer’s parallel port.

On the classic IBM PC, the data port serves solely for output, but the control port can serve as either input or output. The eight-pin, tiny, serial EEPROM consumes less than 1-mA current in the ...

Connect a standard Ethernet cable to the "LAN" or "WAN" port on the serial-to-Ethernet converter if connecting to a hub, router or switch. If connecting the converter to a stand-alone PC, plug an ...

How to Repair a Serial Port in Windows 7. Although serial port connections have been replaced by USB ports in most computers, older business equipment such as fax machines and printers may still ...

Then he realized, why not make a simple printer port add-on that looks like a printer, but sends the data over USB as a serial stream? On the hardware side, the custom PCB (KiCAD project) is based ...

Serial ports are widely used by sensors for data acquisition, and they were standard on early computers for connecting a modem, mouse and other peripherals. Old Macs used the serial port for printers.