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In an event of power failure, how long does it take before the UPS kicks in (like in how many microseconds)? - Quora
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I made this circuit to turn on a led with a photoresistor when it is dark but the led stays on all the time. What am I doing wrong? : r/AskElectronics
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![Left: time response of the LED pulse triggering system; trigger pulse... | Download Scientific Diagram Left: time response of the LED pulse triggering system; trigger pulse... | Download Scientific Diagram](https://www.researchgate.net/publication/310818986/figure/fig5/AS:741766617632769@1553862351687/Left-time-response-of-the-LED-pulse-triggering-system-trigger-pulse-from-the-FPGA-dark.jpg)
Left: time response of the LED pulse triggering system; trigger pulse... | Download Scientific Diagram
![Time response of LED. The signal captured by the oscilloscope for a... | Download Scientific Diagram Time response of LED. The signal captured by the oscilloscope for a... | Download Scientific Diagram](https://www.researchgate.net/publication/341383150/figure/fig4/AS:891147165634560@1589477449006/Time-response-of-LED-The-signal-captured-by-the-oscilloscope-for-a-pulse-of-10-ns.png)
Time response of LED. The signal captured by the oscilloscope for a... | Download Scientific Diagram
![Response of two LED types to a single current pulse of 250 ns duration... | Download Scientific Diagram Response of two LED types to a single current pulse of 250 ns duration... | Download Scientific Diagram](https://www.researchgate.net/publication/225026087/figure/fig2/AS:393817820811276@1470904893976/Response-of-two-LED-types-to-a-single-current-pulse-of-250-ns-duration-as-monitored-by-a.png)