8421 BCD lamp

An interactive resistor, switch, lamp and battery circuit built in the DCACLab online simulator by albert spinosa.

Preview of 8421 BCD lamp

Open in the lab Embed The simulation runs as a demo that pauses after two minutes; open it in the lab to keep going.

What's inside

3× Battery
12× Resistor (9.97 Ω, 9.93 Ω, 10.1 Ω, 9.96 Ω)
12× Switch
12× Lamp

Tags

Battery Switch Lamp Resistor

About

By albert spinosa
Saved September 09, 2025 · updated January 15, 2026
845 views
Page: dcaclab.com/circuits/85293-8421-bcd-lamp

Embed this circuit

<iframe src="https://dcaclab.com/experiments/85293-8421-bcd-lamp/iframe" width="560" height="410" frameborder="0"></iframe>

Cite: spinosa, a. (2025). 8421 BCD lamp. DCACLab. https://dcaclab.com/circuits/85293-8421-bcd-lamp

Related circuits