cir555

An interactive 555 timer, LED, resistor and capacitor circuit built in the DCACLab online simulator by Fabio Pelegrini.

Preview of cir555

Open in the lab Embed The simulation runs as a demo that pauses after two minutes; open it in the lab to keep going.

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What's inside

1× Battery
3× Resistor (997 mΩ, 994 mΩ, 992 mΩ)
1× Capacitor
1× LED
1× 555 Timer

Tags

Capacitor IC 555 LED Resistor Battery

About

By Fabio Pelegrini
Saved March 12, 2025 · updated January 15, 2026
1,000 views
Page: dcaclab.com/circuits/80875-cir555

Embed this circuit

<iframe src="https://dcaclab.com/experiments/80875-cir555/iframe" width="560" height="410" frameborder="0"></iframe>

Cite: Pelegrini, F. (2025). cir555. DCACLab. https://dcaclab.com/circuits/80875-cir555

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