FOR THE THINGS YOU WANT TO BUILD
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A growing workbench for electronics, embedded systems, and IoT. Explore circuits, component values, timing, and signal fundamentals with clear units and explained models.
ADC Resolution Calculator
Explore an ideal unipolar ADC’s resolution and output code.
Open toolCapacitive Reactance Calculator
Calculate the magnitude of a capacitor’s AC reactance.
Open toolFrequency & Period Converter
Convert frequency to period, or period to frequency.
Open toolInductive Reactance Calculator
Calculate the magnitude of an inductor’s AC reactance.
Open toolLED Series Resistor Calculator
Estimate an LED current-limiting resistor and dissipation.
Open toolOhm’s Law Calculator
Find the missing link between voltage, current, and resistance.
Open toolRC Time Constant Calculator
Find τ, settling times, and the RC cutoff frequency.
Open toolResistor Color Code Calculator
Read the resistance and tolerance of a four-band resistor.
Open toolSeries & Parallel Resistors
Find the equivalent resistance of a resistor network.
Open toolVoltage Divider Calculator
Find the unloaded output of a two-resistor divider.
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