Mini Electric Door Lock 12V DC Solenoid
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Prices updated: 13 Oct 2026
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About this product
A compact 12 V DC electric solenoid lock for cabinets and doors. It stays locked when unpowered, with the tongue extended, and opens when the coil is energized. It is used in access control projects, usually driven through a relay board from an Arduino or similar controller, and can be paired with fingerprint modules.
Specifications
- Operating voltage
- 12 V DC
- Type
- Electromagnetic solenoid lock
- Default state
- Locked when unpowered
- Unlocked state
- Tongue retracts when energized
- Control
- Via relay or driver circuit
Frequently asked questions
Can I drive the lock directly from an Arduino pin?
No. The coil draws significant current, so use a relay board or a MOSFET driver powered by a 12 V supply. When switching the coil with a transistor, add a flyback diode across it.
Which fingerprint modules work with this lock?
The store description suggests pairing the lock with fingerprint modules such as the R307 and R305. Check the module's output logic and relay wiring before connecting it.
