Figure 1 shows a way to control a light (or other 120-V ac appliance) with a passive-infrared (PIR) alarm sensor. The original concept was to turn a closet or shop light on whenever someone went ...

Moderately priced Passive Infrared PIR Sensor modules are now widely available. By using these readymade and pre-configured PIR sensors, even an average electronics hobbyist can construct his/her own ...

This smart motion sensor, dimmer and light switch supports all of the smart home standards.

Aqara has now launched its official 2025 Prime Day sale, delivering some of the best prices of the year and some historical ...

Unbox and set up the TooWell Motion Sensor Ceiling Light, a sleek and battery-operated LED light designed for easy installation without wiring. It features a PIR motion sensor with a 120 ...

Smart home device maker Aqara has introduced many sensors and controls at CES 2025, including a new wall panel for controlling an entire smart home on one interface.

Aqara announced an array of new smart home devices at CES 2025, including its first in-wall touchscreen control panel. The Matter-compatible controller works with the company’s new dimmers ...

This is a simple update to Mr. Hareendran’s PIR Sensor Security Light circuit. It has a shortcoming limits the relay voltage to approximately 3.3V. While this may function with some 5V relays, it will ...