Door sensors detect door position (i.e., open or closed) based on the precise gap between the magnet and the reed switch.

I ditched smart locks, and I don't regret it.

In between playing Doom on the most ergonomically challenged devices, [Aaron Christophel] likes to take a relaxing break with ...

With palm vein authentication, 3D face scanning, and fingerprint support, this smart lock is not lacking biometric options.

Quick Answer: An ESP32-CAM face detection system captures a JPEG image when a push button is pressed, uploads it to the CircuitDigest Cloud API over HTTPS, and prints the detected face count and ...