In this video, we'll teach you how to calculate the resistance needed for an LED. We'll also cover a circuit that allows you to turn on LEDs using 220V AC electricity.
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List of parts:
capacitor 1.5 microfarad 400V polyester
LED
capacitor 22 microfarad 50V
diode 1N4007
resistor 100 ohm
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#basic_electronics
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