Researchers capture first ever images of electric charges across summit conductor materials within a solar cell. Times in picoseconds. https://pv-magazine-usa.com/2024/10/11/researchers-capture-first-ever-images-of-electric-charges-across-semiconductor-materials-within-a-solar-cell/t
Archive for the ‘PIR motion sensor’ Category:
2021-06-14 Electric Vehicles Are In Stealth Mode
I have a PIR (passive infrared) motion sensing light on my porch for more than a year, and I’ve noticed that it can sense some of the cars that go by. If the car has been running, like coming home it will usually trigger the light. But when a neighbor starts the cold car and
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LED Indoor Motion Sensing Lights – Decrease On Time
I bought two of these motion sensing LED lights for my hallway. They have a rechargeable cell that is charged through a micro USB port. To see one inside watch big Clive’s YouTube video – the ebay link to buy them is in his description. The charge lasts for more than a week with frequent
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