This article explains an upgraded smart solid-state AC switch system that uses microwave Doppler radar instead of traditional ...

Acid rain sucks, particularly if you run a fancy university with lots of lovely statues outside. If you’d like to try and ...

Build festive decorations using Arduino and Raspberry Pi with these five creative holiday projects and video tutorials ...

All you need is an ESP32 board and some tinkering with ESPHome.

Abstract: Passive infrared (PIR) sensors are widely used in motion sensing and lighting control. However, stationary occupants always trigger false-negative detects of PIR sensors and result in ...

Who knew it could be this fun building a photo frame?

Abstract: Due to the instability and poor identification ability of a single pyroelectric infrared (PIR) detector for human target identification, this paper presents a PIR detection identification ...

Designed by Nova Radio Labs in the US, the Novaduino Environmental Sensor Kit is an Arduino-programmable air quality and weather monitoring solution built around the company’s own Novaduino Display ...

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

This research is aimed to explore the efficacy and comparison of low-cost light sensor measurements for agricultural applications. For this reason, TSL2561, BH1750, and TEMT6000, low-cost light ...

WARNING: the MS5611 has problems with self heating when using SPI interface so use with care. The MS5611 is a high resolution pressure and temperature sensor a.k.a GY-63. The high resolution is made ...

The analog value from the sensor is converted to distance using either a polynomial fit function up to fifth order or a power fit function. By default, this library is set to use polynomial ...