555 Square Wave Generator

CI

CircuitSim

·

Created Oct 3, 2026

·

Updated Oct 3, 2026

Preview will appear once the owner saves the schematic
Details

Components

4


Schematic

Yes


Simulation

Transient analysis


Copies

Not copied yet

About this circuit

A 555 timer repeatedly charges and discharges a capacitor between its internal thresholds.

Components used

Components used
4 components
NameManufacturerMPNCountType

Capacitor

Generic

—

4

Official

Resistor

Generic

—

3

Official

555 Timer

Generic

555

1

Official

DC Voltage Source

Generic

—

1

Official

Try this circuit yourself

Free to get started. No download — runs in your browser with a full SPICE engine.