Articles related to "Parallel Port"

Relay circuits can be used to take a small current from a computer printer port and switch on appliances that use a much larger current such as household devices.

Home computers may be used to control household lighting, heating, or any other device that uses an electrical switch. Up to eight devices or circuits may be controlled.

Setting up a local area network (LAN) based on a twisted pair (Ethernet 10/100Base-T) is rather cheap, effective, and wide-spread.