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Timer

An interactive transistor, LED, diode and resistor circuit built in the DCACLab online simulator by Rene Guadarrama.

What's inside

1× Battery
6× Resistor (1.01 MΩ, 99.5 Ω, 4.74 kΩ, 4.7 kΩ)
1× Capacitor
1× LED
1× Diode
2× Transistor
1× Switch
Measured with Oscilloscope

Tags

Battery Resistor Capacitor Switch Oscilloscope LED Transistor Diode

About

By Rene Guadarrama
Saved October 06, 2025 · updated January 15, 2026
1,192 views

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Tags: Battery Resistor Capacitor Switch Oscilloscope LED Transistor Diode