In this video, I'm exploring the use of Mini PIR Sensors with ESP32 with both Arduino-based projects as well as making a movement sensor for Home Assistant by using ESPHome. The sensor is quite ...

In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

Researchers from Nanchang University and Trina Solar found that TOPCon solar modules exhibit metastable “degradation–recovery” under UV exposure, with light soaking fully restoring performance and no ...

Living apart from an aging parent brings worries: How do you know if Mom or Dad has fallen? Did they get to their destination safely? What if they wandered off? The recent disappearance of Nancy ...

There have been many questions about what direction Arduino would take after being bought by Qualcomm. Now it would seem that we’re getting a clearer picture. Perhaps unsurprisingly the ...

A company formerly owned by Nokia wants to create a more accurate, up-to-the-minute map of traffic conditions. The key? Getting multiple automakers to pool traffic data collected by their cars’ ...

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.