Only 4 left in stock order soon.
Solenoid door lock circuit.
Now when the door again reaches near to the hall sensor while closing hall effect sensor status will change to low due to the magnetic field generated by the magnet attached at the door and the lock will be closed again.
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Solenoid electric lock dc 12v mini electric control lock tongue latch assembly solenoid for file cabinet drawer door 4 5 out of 5 stars 2 more buying choices 31 39 1 new offer.
Get it as soon as thu sep 3.
Connect your diode between the two solenoid cables this will prevent current discharging back through the circuit when the solenoid coil discharges.
Fc mxbb dc 12v electric lock cabinet lock furniture locks for file cabinet door solenoid lock black 5 0 out of 5 stars 1.
Solenoid lock needs 9v 12v to operate and raspberry pi gpio pins can supply only 3 3v so a 12v external power source is used to trigger the lock with the help of a relay.