Note. A compact analogue reflectance sensor such as the CNY70 was not used in the Arduino Uno experiments described. Instead, a homemade sensor was assembled using a single infrared LED (IR333C) and a ...

SmartHomeSecurity, Concept A 24/7 home security solution that detects: Intrusion via PIR motion sensor Door/window open via magnetic reed switch Gas leak via MQ-2 combustible gas sensor When any alarm ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

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

Light sensors detect the presence or absence of light, and the intensity of that light. These sensors then convert light ...

For context, a 3,000-lumen LED bulb is roughly equivalent to a 200-watt incandescent bulb. Smart floodlight cameras typically don't use replaceable bulbs, but you can expect them to last anywhere ...

The sensor triggers when the feet come in contact with water; typically, just a few drops set it off. The device then sends a push alert or email (or both) and sounds an alarm.

Tracking human's location in indoor environments is very import, for it enables a wide range of applications related to robot service, appliance control and other smart home applications. This paper ...

The Smart Automated Zebra Crossing System operationalizes Passive Infrared (PIR) sensors and Internet of Things (IoT) technology with IP camera-based headcount capabilities to foster pedestrian safety ...