Overcurrent relays with inverse definite minimum time (IDMT) characteristics are widely used in power systems to protect ...

Here we detail the design and implementation of a compact, low-cost, smart air-quality monitoring system based on the Arduino ...

Fidget toys are everywhere these days. A particularly popular type simply puts some keyboard switches on a plate to provide a ...

Hiwonder has introduced the WonderLLM, an ESP32-S3-based smart chat module that combines a 2MP camera, a 2.0-inch touch ...

A small portable device featuring timer, clock, and calendar functions, equipped with a simple and functional interface and a truly long battery life.

ESPHome 2026.1.0 open-source firmware has just been released with new features like automatic WiFi roaming and Zigbee support for Nordic Semi nRF52 ...

For people who are at high risk of developing breast cancer, frequent screenings with ultrasound can help detect tumors early. MIT researchers have now developed a miniaturized ultrasound system that ...

Home automation with high usefulness and low annoyance tends to rely on reliable person sensing, and [francescopace]’s ...

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

Recent developments have greatly improved the sensitivity of optical sensors based on metal nanoparticle arrays and single nanoparticles. We introduce the localized surface plasmon resonance (LSPR) ...

China’s microelectromechanical systems (MEMS) sensor industry is surging, but technical gaps, fragmented production and coordination challenges hinder its full potential. As global demand accelerates, ...

Arduino and Seeed have collaborated to produce the Arduino Sensor Kit. Based on the Arduino UNO, the STEM kit is aimed at those getting started with electronics and sensors easier. It contains a Base ...