Pole reversing solenoid.
I came up with a great solution! The remote automatic car door lock. Here is a really cheap way to snap turn that magnet with a capacitor pulse. The circuit comes complete with a DPDT switch, and as anyone who owns a late model car knows, the same button both opens and closes the door lock. This allows for a remote switching location and timing circuitry from a comfortable control station. Check ebay or the auto salvage market.
I came up with a great solution! The remote automatic car door lock. Here is a really cheap way to snap turn that magnet with a capacitor pulse. The circuit comes complete with a DPDT switch, and as anyone who owns a late model car knows, the same button both opens and closes the door lock. This allows for a remote switching location and timing circuitry from a comfortable control station. Check ebay or the auto salvage market.
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