Laboratoire

18, 19, 20, relays

An interactive battery, switch, relay and fan circuit built in the DCACLab online simulator by Owen Ruhl. Open it to run the simulation and measure it.

Preview of 18, 19, 20, relays
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

  • 6× Battery
  • 3× Switch
  • 3× Relay
  • 2× Lamp
  • 3× Fan

Tags

Switch Battery Lamp Fan Relay

About

By Owen Ruhl
Saved February 26, 2026
786 views
Page: dcaclab.com/circuits/86530-18-19-20-relays

Embed this circuit

<iframe src="https://dcaclab.com/experiments/86530-18-19-20-relays/iframe" width="560" height="410" frameborder="0"></iframe>

Cite: Ruhl, O. (2026). 18, 19, 20, relays. DCACLab. https://dcaclab.com/circuits/86530-18-19-20-relays

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