TMD’s first bicycle lock combines a Bluetooth proximity sensor and motion alarm with a slender core of hardened steel chain ...
XDA Developers on MSN
I won't install a smart lock on my front door, and here's why the industry is wrong about them
Your smart lock is a liability disguised as convenience.
Door sensors detect door position (i.e., open or closed) based on the precise gap between the magnet and the reed switch.
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