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This take place simple Doubler Voltage circuit, from voltage 12VDC to be 24VDC. By benefit Timer IC highly prevalent the come to NE555 and other equipment a modest again.
With an Ethernet "splitter", you can simultaneously connect two computers (or other network devices) on one Ethernet cable. You can buy Ethernet splitters for approximately $ 20.00 USD but you also can make your own. Context: One office, one ethernet jack and two computers, or One living room, one ethernet jack and one HTPC and one XBox. If you can't realistically (without tearing apart walls or renting a scissor lift) pull one more ethernet cable from the patch panel to...