security alarm

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

Preview of security alarm

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
1× Resistor (999 mΩ)
1× LED
1× Transistor
1× LDR
1× Buzzer

Tags

Transistor LDR Buzzer Battery Resistor LED

About

By asala mohamed
Saved December 24, 2024 · updated January 15, 2026
1,083 views
Page: dcaclab.com/circuits/79085-security-alarm-1

Embed this circuit

<iframe src="https://dcaclab.com/experiments/79085-security-alarm-1/iframe" width="560" height="410" frameborder="0"></iframe>

Cite: mohamed, a. (2024). security alarm. DCACLab. https://dcaclab.com/circuits/79085-security-alarm-1

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