Understanding LDR

An interactive LED, transistor, LDR and battery circuit built in the DCACLab online simulator by Mona Darling.

Preview of Understanding LDR

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

3× Battery
1× LED
1× Transistor
1× Switch
1× Lamp
1× Fan
2× LDR
1× Bell

Tags

Bell Transistor LDR Fan LED Switch Lamp Battery

About

By Mona Darling
Saved October 26, 2026
21 views
Page: dcaclab.com/circuits/87872-understanding-ldr

Embed this circuit

<iframe src="https://dcaclab.com/experiments/87872-understanding-ldr/iframe" width="560" height="410" frameborder="0"></iframe>

Cite: Darling, M. (2026). Understanding LDR. DCACLab. https://dcaclab.com/circuits/87872-understanding-ldr

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