Calculators
Electronics
Electronics
Ohm's law, resistors, RC, diodes · 11 items
기초
2 items
Ohm's Law Calculator
Calculate voltage, current, resistance, and power
Reactance Calculator
Calculate capacitor Xc, inductor Xl, impedance, and phase angle
저항·LED
3 items
Resistor Color Code Calculator
Calculate resistance and tolerance from 4-band or 5-band codes
LED Resistor Calculator
Calculate series resistor values from supply voltage, LED voltage, and current
Voltage Divider Calculator
Calculate divider output and target resistor values with optional load
시간·발진
3 items
RC Charge Time Calculator
Calculate RC time constant, charge time, and discharge time
Capacitor Code Calculator
Convert markings like 104 and 473 into pF, nF, and µF
555 Timer Calculator
Calculate astable frequency and monostable pulse width
전원·IC
3 items
LM317 Voltage Regulator Calculator
Calculate LM317 output voltage, target resistor values, and minimum input voltage
Zener Diode Resistor Calculator
Calculate series resistor and zener power from zener voltage and load current
Op-Amp Gain Calculator
Calculate inverting and non-inverting amplifier gain and output voltage