Ohms Law Calculator
V = I x R
Compute voltage, current, and resistance quickly while validating your circuit assumptions.
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Fast calculators for electronics and embedded workflows
Each tool is built as a standalone page with minimal overhead, clear formulas, and practical outputs.
LED Resistor Calculator
R = (Vs - Vf) / I
Select practical resistor values for safe LED operation in battery and mains-powered setups.
Open toolVoltage Divider Calculator
Vout = Vin x (R2 / (R1 + R2))
Tune reference voltages and verify divider outputs before committing to hardware.
Open toolPWM Calculator
Duty(%) = Ton / T x 100
Estimate duty cycles and timing behavior for motor, LED, and signal modulation circuits.
Open toolADC Converter Helper
Value = (Vin / Vref) x MaxCount
Map analog readings to expected digital counts for embedded sensor calibration tasks.
Open toolBinary Converter
2 <-> 10 <-> 16
Convert among binary, decimal, and hexadecimal formats for firmware debugging workflows.
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