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An interactive 555 timer, LED, transistor and resistor circuit built in the DCACLab online simulator by Melissa Peñate.

What's inside

1× Battery
4× Resistor (311 Ω, 505 Ω, 1.01 kΩ, 21.2 kΩ)
2× Capacitor
2× LED
1× Transistor
1× 555 Timer

Tags

Battery Transistor IC Resistor Capacitor 555 LED

About

By Melissa Peñate
Saved May 14, 2025 · updated January 15, 2026
818 views

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Tags: Battery Transistor IC Resistor Capacitor 555 LED