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Transistor Switch Trigger by LDR

An interactive transistor, LED, resistor and LDR circuit built in the DCACLab online simulator by Stephen Smith.

What's inside

3× Battery
1× Power Source
2× Resistor (458 Ω, 506 Ω)
1× LED
2× Transistor
2× Relay
1× Lamp
2× LDR
1× MCB

Tags

Power Source Transistor LDR MCB Relay Lamp Battery LED Resistor

About

By Stephen Smith
Saved November 11, 2026
37 views

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Tags: Power Source Transistor LDR MCB Relay Lamp Battery LED Resistor