Electronics Toolkit
Decode components in seconds
Resistor Color Code
Decode 4-band and 5-band resistors instantly
Capacitor Code
Convert 3-digit codes to pF, nF, and µF
Inductor Color Code
Calculate inductance from color bands
Power Calculator
Calculate Power using Ohm's Law (V, I, R)
Voltage Divider
Calculate resistor divider output (Vin, R1, R2)
Battery Life
Estimate battery runtime (mAh, mA)