NE555 Frequency Online Calculator

Hz
%
nF
kΩ
kΩ

PWM signal generation: Generate square wave signals with different duty cycles and frequencies by adjusting R1, R2, and C.

Timing circuit design: Used for LED flashing, motor driving, and other applications that require periodic signals.

Oscillator design: The 555 timer can be used as an oscillator in astable mode for clock pulse generation.

Signal control: Adjust the duty cycle of the output signal to control voltage regulation and power output.