How to calculate the Protection Resistor for an LED Diode?
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How to Calculate the Correct Resistor for LEDs Light Emitting Diodes
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How to Solder and Desolder Electronic Components with a Clothes Iron? 100% recommended.
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Don't Waste any more Batteries, Update all your Electronic Equipment.
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The Art of Electronic
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So Don't Throw Your Old Phone Charger Away! - More Than You Think !
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Let's build a voltage multiplier!
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Transistors Explained - How transistors work
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