Before 2000, desktop printers for business had one of two interfaces: serial and parallel. The type of interface dictated the type of cable you used to connect the printer to the PC and how fast the ...

You may recognize the RS-232 serial port on your TV, but do you know all that it can do? It's probably more than you realized ...

A socket that connects to a serial interface (one bit following another over one line). Serial ports are widely used by sensors for data acquisition, and they were standard on early computers for ...

You can easily use a PC's printer port for serial-EEPROM programming. You can use a device-programmer circuit used to program the MicroWire serial EE-PROM 93CXX (Figure 1). The circuit is so simple ...