Learn how to repurpose your spare ESP32 boards into cost-effective presence detection sensors using the Tommy Sense ...
In this time of the Corona pandemic, elevators have become a high-risk place where everybody touches the same buttons. At many places, people have discovered tricks to prevent contact with elevator ...
Conventional plasma-based treatments deactivate microbes in confined, nonatmospheric chambers. During the last few decades, new concepts have led to portable, chamberless generators with rigid ...
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