Light Detector

An interactive 555 timer, LED, resistor and potentiometer circuit built in the DCACLab online simulator by Mhark.

Preview of Light Detector

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
4× Resistor (10 kΩ, 330 Ω)
1× LED
1× Potentiometer
1× LDR
1× 555 Timer

Tags

LDR IC 555 LED Battery Resistor Potentiometer

About

By Mhark
Saved October 31, 2025 · updated January 15, 2026
1,271 views
Page: dcaclab.com/circuits/86095-light-detector

Embed this circuit

<iframe src="https://dcaclab.com/experiments/86095-light-detector/iframe" width="560" height="410" frameborder="0"></iframe>

Cite: Mhark. (2025). Light Detector. DCACLab. https://dcaclab.com/circuits/86095-light-detector

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