The DS-K4H250S Single-door magnetic lock is designed for wooden door, glass door, and stee... Hikvision DS-K4H250D double-door magnetic lock The DS-K4H250D Double-door magnetic lock is designed for ...
The DS-K4H250S Single-door magnetic lock is designed for wooden door, glass door, and steel door with the opening angle of 90°. The maximum thrust of the lock is 300kg. It can be used for controlling ...
His latest creation: you guessed it, is a secret bookcase door. For this tutorial ... an emergency exit at a minimum. A fail-safe magnetic lock hooked up to an Arduino, along with a kill switch ...
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