The system uses the NodeMCU ESP8266 microcontroller, LDR, and DHT sensor. A relay turns lighting systems ON and OFF based on luminance, and an LDR detects ambient light. A DHT sensor can also improve ...

The frequency regime lying in the shortwave infrared (SWIR) has very unique properties that make it ideal for several ...

Although there are ways to get around this, a 2022 paper by Maja Škiljo and colleagues in Sensors covers an interesting way to make use of this signal attenuation property of changing moisture ...

If you already have a ton of smart home devices and you're wondering what to do next, I recommend picking up an ESP8266.

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

If you want to learn more about parking sensors, use the table of contents to navigate. Simple, affordable and easy to install, the EKYLIN reverse backup radar system is ideal for shoppers after ...

Installing a smart water sensor can save you a lot of money and hassle. The best models we've tested immediately alert you to leaks and even shut off your home's water supply. I’ve been working ...

Biosensors are devices used to detect the presence or concentration of a biological analyte, such as a biomolecule, a biological structure or a microorganism. Biosensors consist of three parts: a ...