A tutorial on electrical power and watts. A practical example of light bulb power measurement is shown as well as a demo how to calculate appropriate resistor sizes.
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A tutorial on the basics of resistance, resistors, and Ohm’s law which describes the relationship between voltage, current and resistance. I also show you how to build a simple resistor + LED circuit. 300 LEDs for $13 500 resistors for $12 9V battery clips Adjustable power supply Ohmnilabs
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A tutorial on the basics of using LEDs (light emitting diodes). Polarity, forward voltage and current are discussed. 300 LEDs for $13 500 resistors for $12 Adjustable power supply
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What is voltage and what does it do? Learn about volts, coulombs, joules, power supplies and more in this video! Adjustable power supply
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The first part in a series of videos about the basics of electricity.
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