It is fundamentally against both the IBC and IFC codes to physically lock doors in occupied buildings — preventing occupants to freely exit in the case of a fire (Note: There are some exceptions, and ...
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 ...
[Jeremy Blum] wrote in to share his LibeTech QR Code Door Lock project. He developed it during his Senior year at Cornell University along with three of his classmates. It seeks to move away from ...
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