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Chapter 2

Electronics fundamentals

4 min read7 sections
In this chapter · 7 sections
  1. Voltage, current, resistance and power
  2. Series and parallel
  3. DC and AC
  4. Core components
  5. Resistor colour code
  6. Worked example: the LED resistor
  7. Beginner mistakes to avoid

Three quantities explain almost every circuit you will build: voltage pushes, current flows, and resistance opposes. Master Ohm's law and the LED resistor calculation, and most beginner mistakes disappear.

Three quantities explain almost every circuit you will build: voltage pushes, current flows, and resistance opposes. Master Ohm's law and the LED resistor calculation, and most beginner mistakes disappear.

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