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Parallel Port

(Control anything via parallel port)
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Control electrical appliances using PC
Here is a circuit for using the printer port of a PC
(11-Sep-2005)---199

Interface LTC1298 with Standard Parallel Port
Build a simple ADC board that interfaces standard PC parallel port.
(16-Sep-2005)---504

Parallel Port Relay Interface
a solid state relay controlled by one of the parallel port data lines (D0-D7)
(19-Sep-2005)---586

Reading Data From The Parallel Port
switches connected to the 5 input lines of the parallel port. An external 5 volt power supply is used to provide high logic levels to the input pins when the switches are open.
(19-Sep-2005)---587