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First communication circuit

An interactive resistor, LDR, lamp and battery circuit built in the DCACLab online simulator by Ned Stas. Open it to run the simulation and measure it.

What's inside

2× Battery
1× Resistor (994 mΩ)
2× Switch
4× Lamp
1× LDR

About

By Ned Stas
Saved September 24, 2025 · updated January 15, 2026
1,109 views

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Open the circuit page → Close and keep building →