Electronics · Calculators
3 tools in this section, each with a documented method and sources.
Ohm's law calculatorTier 0Choose which two values you know and enter them to get the other two.Voltage divider calculatorTier 0Enter the input voltage and resistors, or a target output to find R2.LED resistor calculatorTier 0Enter the supply voltage, your LED's forward voltage and the current you want.