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Open Hardware Projects

November 5th, 2009

15 minutes SMS Door EntryAlarm

Got sick of the high prices of Home Security systems ?? have old mobile sets don’t know what to do with ? build a cheap alarm system that will notify you on your mobile by SMS. ready ?? grab the tools !

What you’ll need

An old mobile phone set with supply (charger). Cheap door magnetic alarm (can be replaced by a magnetic switch and a magnet ). 5 volts Relay. Soldering iron. wires and thin insulated copper wires. micro driller. micro screwdriver set. clipper. multimeter. Scotch tape.
Source: PanadoL
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