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LED Driver - Electronics Projects and Circuit made Easy
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日期：2026-04-19
The current flowing in an LED is an exponential function of voltage across the LED. A small change in voltage can produce a huge change in current so always add a ... 230V AC –> 82K 1/2 watt 110V AC –> 47K 1/4 watt 12V DC –> 1 K Ohm 9v DC –>470 ohms 6v .....看更多
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