Components electricity
Resistors, capacitors, inductors. 5 tools.
CapacitorWhat a capacitor does, the main types and where each is used, how they combine in series and parallel, and the mistakes that make them fail.Capacitor codeTurn the three-digit code printed on a ceramic capacitor into picofarads, nanofarads and microfarads, with the tolerance letter decoded too.Circuit symbolsThe standard schematic symbols drawn as clean SVG — searchable, theme-aware, and downloadable or copyable as markup for your own diagrams.InductorHow an inductor stores energy in a magnetic field, why it resists changes in current, and where inductance is useful rather than a nuisance.Resistor colour codeDecode a resistor's colour bands into a resistance and tolerance, with a drawn resistor that updates as you pick each band, plus the full colour table.