modified 9 years ago

SWITCHED LED

01:20:21

Simple led with resistor and single pole switch

published 9 years ago

wyoelk

9 years ago

You need a current limiting resistor in series to prevent burning the led out. An led here needs 20ma.

wyoelk

9 years ago

This app is a ton of fun and learning. If new to electronics or this app look at the Examples tab and/or download the app called "Lessons in Electric Circuits" . Enjoy

Eic

9 years ago

Wyoelk.....I'm obviously new at this. Thanks for the input. However, I do have a 15 ohm resistor which drops the 9v down to around 2 volts. Does the LED need LESS voltage? Thanks again.

nikisalli

9 years ago

Resistors doesn't drop the voltage to a defined voltage. Here for example you need a 470ohm resistor or the led will burn like in the simulation

Eic

9 years ago

Thanks Nikki......470 ohms works much better

wyoelk

9 years ago

Resistor in series linits the current

nikisalli

9 years ago

You're welcome

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