The hardware setup shown below includes the Arduino Uno R4, a DHT11 sensor, and the built-in Wi-Fi for email alerts. The DHT11 is connected with VCC to 5V, GND to ground, and the data pin to Digital ...

Arduino has just announced the Arduino Matter Discovery Bundle (AKX00081), an all-in-one development kit designed to help ...

An Algerian research team has developed a smart water-spray cooling system for PV panels that activates only when temperatures exceed a set threshold, boosting efficiency while minimizing water use in ...

The Ikea Timmerflotte temperature and humidity sensor is a complete steal for what it offers. It’s affordable, Matter-compatible and delivers reliable readings, all wrapped in a clean, unobtrusive ...

Smart Home Despite being designed to 'connect and just work', it turns out IKEA's new smart home sensors actually have some specific, confusing hub requirements Smart Home IKEA has launched a new LED ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

This tiny, inexpensive microcontroller makes it easy to build reliable, room-by-room Home Assistant sensors without paying the smart home tax.

Changes in temperature, storms, and barometric pressure shifts can trigger migraine episodes for some people. Sensitivity varies widely by person. Hot, humid, or dry conditions may raise migraine risk ...

Abstract: Data centers (DCs) are power-intensive facilities which use a significant amount of energy for cooling the servers. Increasing the temperature and relative humidity (RH) setpoints is a ...

Abstract: The biocompatible devices suitable for recycling and biodegrading can be achieved with organic materials in nature. In this work, a biocompatible capacitive humidity sensor is presented to ...