Simple Security

by bluerover in Circuits > Sensors

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Simple Security

magnetlock.bmp
The device consists of a key fob with a small button magnet. concealed behing a plastic dashboard or door panel is a reed switch. The magnet acivates the switch to enable operation of the vehicle ignition, a solenoid latch or to disable a security alarm. The reed switch activates a relay to switch the higher currents required by the circuit it is controlling.