5 seconds working relay

294

07:10:44

By pressing button reley will switch light on for 5seconds. Time can be changed by changing capacity.

published 3 years ago

guillianj

3 years ago

That’s a big-ass capacitor. You can use a 1-2 mF capacitor instead that just opens a bipolar NPN transistor connecting the relay with that voltage source for the same result.

add comment in editor

EveryCircuit is an easy to use, highly interactive circuit simulator and schematic capture tool. Real-time circuit simulation, interactivity, and dynamic visualization make it a must have application for professionals and academia. EveryCircuit user community has collaboratively created the largest searchable library of circuit designs. EveryCircuit app runs online in popular browsers and on mobile phones and tablets, enabling you to capture design ideas and learn electronics on the go.