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Lighting the lamps

Using LEDs in series with no current limit

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Neil Wyatt28/09/2017 15:51:08
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19226 forum posts
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Anyone else here used an LED as a voltage regulator?

The inquisitive may well have found a green LED hidden inside a solar calculator and wondered what it does...

Neil

SillyOldDuffer28/09/2017 16:24:52
10668 forum posts
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Posted by Neil Wyatt on 28/09/2017 15:51:08:

Anyone else here used an LED as a voltage regulator?

The inquisitive may well have found a green LED hidden inside a solar calculator and wondered what it does...

Neil

Yep. Easiest way to get volts from an Arduino to power a Digital Caliper. Don't tell anyone though!

Peter Brown 128/09/2017 17:34:01
10 forum posts

I've seen a neon used as a voltage regulator 180v if I remember correctly

John Rudd28/09/2017 17:55:48
1479 forum posts
1 photos

Anyone else here used an LED as a voltage regulator?

Yup, been used in a constant current source for an audio amplifier......

6196228/09/2017 23:51:08
65 forum posts
1 photos
Posted by duncan webster on 28/09/2017 00:06:47:

How about link 61962? I've tried searching te proboards forum with no success

Discussion on Pete's Lamps starts here, http://modeleng.proboards.com/thread/5733/building-don-youngs-doncaster?page=96 but problems with Photobucket have removed access to the pictures so it was pointless posting it. There some pics on facebook though here https://www.facebook.com/liveSteamFlyingScotsman/photos/ms.c.eJw1zcsJAEEIA9COFuM39t~;YMo4DXh4J0RgR9HNw~_mfjqAAI63UCRafounRyfX3KGHndmFzeXs8LWF2n2OlXZ669T66UHzurHTQ~-.bps.a.376664006007596.1073741869.165868360420496/385558458451484/?type=3&theater

Eddie

 

 

Edited By 61962 on 28/09/2017 23:52:51

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