Here is a simple and powerful LED circuit that can be operated directly from the AC 100 volt to AC 230 Volts mains supply. The circuit can be used as mains power locator or night lamp etc.. The ...
does anyone knonw the voltage on the LED connector on the promise ata66 card?<P>i have an LED i want to attach (blue 3.7v from radio shack, or a 12V green if that won't work) but i don't want to blow ...
In a previous article, we explored the behavior of an LED diode as a small light source. We have seen how important a protection resistor is to light up this component. In this article, we will ...
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