These are some great DIY projects that you can do for cheap.

Abstract: This work reports a flexible and disposable high-performance humidity sensor using the poly(3,4-ethylenedioxythiophene): polystyrene sulfonate (PEDOT:PSS) and graphene oxide (GO) ...

Forewarned is forearmed.

Compared to the Arduino Uno of old, modern microcontrollers are absolutely tiny — especially for the amount of processing power and I/O you get. But if you need something really small, like ...

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Current heatwave is very moist, making it feel worse – especially at night – than all-time high of 40.3C in July 2022 UK records its hottest June day and France its hottest ever as heatwave sweeps ...

Our team designed and built a fully functional prototype from the ground up. We handled the firmware, the PCB layout, the 3D ...

This week’s heatwave is the hottest ever recorded in Europe, as well as the most humid, and it is likely to cause thousands of deaths. Although a potential “super El Niño” is forming in the Pacific ...

Inductive sensors are non-contact proximity sensors that detect ferrous targets, ideally ones made of mild steel thicker than one millimeter. They consist of four major components: a ferrite core with ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Kathryn Rath Kathryn Rath is a writer covering audio, video, and smart-home ...