Forget keys! The top smart locks we've tested are secure, easy to install, and provide several convenient ways to control who can access your home and when. I'm PCMag's managing editor for consumer ...

Default value for maximum measurement distance is 4m, since HC-SR04 sensor can't measure reliably beyond that. However, if you are using another sensor or if you you don't care about distances larger ...

Abstract: Security is the serious issue looked by everybody when we are far from our family unit. In the present situation acceptable answer for the above issue isn't yet found. Introduced here is an ...

The smart fingerprint lock every playroom needs for safety and peace of mind. Quick access for adults, secure protection for kids—this simple upgrade helps keep play areas organized, controlled, and ...

ArduinoHA allows to integrate an Arduino/ESP based device with Home Assistant using MQTT. The library is designed to use as low resources (RAM/flash) as possible. Initially, it was optimized to work ...