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rick(at)beebe.org
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 Posted: Fri Nov 15, 2019 1:37 pm Post subject: Speaking of LEDs |
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The baggage compartment LED discussion reminded me...I'm putting in a B&C backup alternator. The voltage regulator comes with an incandescent low voltage light and they recommend keeping it. For aesthetic reason in my new panel (part of the project), I would like to use an LED to match the other indicators. I believe they want an incandescent because the VR puts out a trickle current that will keep the LED slightly lit. Anyone know if that's true and if there's a workaround? Or is there a more serious functional reason it needs to stay incandescent?
--Rick
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user9253
Joined: 28 Mar 2008
Posts: 1929
Location: Riley TWP Michigan
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| Posted: Fri Nov 15, 2019 3:50 pm Post subject: Re: Speaking of LEDs |
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A resistor is parallel with the LED will prevent the dim LED glow when it should be off.
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Joe Gores |
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nuckolls.bob(at)aeroelect
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| Posted: Sat Nov 16, 2019 6:48 am Post subject: Speaking of LEDs |
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At 03:35 PM 11/15/2019, you wrote:
| Quote: | | The baggage compartment LED discussion reminded me...I'm putting in a B&C backup alternator. The voltage regulator comes with an incandescent low voltage light and they recommend keeping it. For aesthetic reason in my new panel (part of the project), I would like to use an LED to match the other indicators. I believe they want an incandescent because the VR puts out a trickle current that will keep the LED slightly lit. Anyone know if that's true and if there's a workaround? Or is there a more serious functional reason it needs to stay incandescent? |
You can replace the incandescent lamp with
LED by proper application of some resistors:
http://aeroelectric.com/Pictures/Schematics/LR3_LV_Led_1.jpg
Bob . . .
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