How do I make a LED FADE without an IC
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Uploaded by dantheman210 on Jan 12, 2008
This is an LED FADING OUT without a 555 IC being used. This entire "unit" ONLY has in use 2 Resistors, 1 capacitor, 1 LED, and one switch.
I am TRYING to figure out HOW to make the LED FADE in, then FADE out without using a 555 (or ANY IC) Or for this matter IF it can even be done. Here I SEE IT, being done by using a switch and me manually "turning it on" but can it be done with a constant power source.
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@DeCiscoKid Where do you get that information? I've worked with LED's since the 80's. They are semiconductor diodes. Diodes do not hold a charge. If there is any amount of capacitance in a typical LED, it is negligible, and not something you could make use of in a circuit like this.
TroyOi 8 months ago
This is what I am looking to use. Thanks for this post. It seems so simple. And yes LED's do actually charge.
DeCiscoKid 11 months ago
JUST what kind of LED do you use that charges up? I thought the capacitor charged up. Dont you review your vids before you post them? You know that when you want to teach any new person in basic electronics, it is best to know what you are doing first!
ricglos 1 year ago
@venomx2 Umm, I'm sure we've all learned since 7 months ago that "your" is actually you're
biggi3lue 1 year ago
Yeah. Well done! Just what I wanted. And thanks for the diagram at the end too!
SNAKEMESH 1 year ago
switch off: open
Swithc on: closed
ICs may be needed for what you want, a transformer may take even more effort needing a way to eliminate AC flicker. Its very common with leds on and ac current. Try researching a little more and you might find what you want.
laserman55901 1 year ago
@HaloHedgehog22 get a switch/button that has a common ground and two leads. make sure that when one lead is on the other is off. hook up a white and a red led to the two separate circuits. you could incorporate the circuit in the video if you wanted them to fade.
ar0n7676 1 year ago
@inferno2080 Says the guy who spells your "ur".
venomx2 1 year ago
How to fade an led IN and OUT without 555 - pretty simple
i39.tinypic. com/2hf0t95.png
rattytatt521 1 year ago