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[DPRG] House Lit Entirely With LED's

Subject: [DPRG] House Lit Entirely With LED's
From: Bill Boyer daweasel at swbell.net
Date: Sun Jan 11 16:21:00 CST 2004

If I am not mistaken, the value of the cap is critical because it drops
the voltage going to the LED's. In other circuits I have worked with
that derive power from an AC line without a transformer, they use a
fairly hefty mylar cap in the 200+ volt range.

> What kind of capacitor should I use? I think
> electrolytic capacitors don't!! like AC, right?
> So ceramic capacitors, or what?
> Got a suggested capacitor size to start with?

> Actually, I've got some LED night lights that I bought at CostCo.
> This is the schematic :
> 
>                ||
>          >-----||-----+----+
>                ||     |    |
>                      ---  ---
>                       ^   \ /
>                      / \   V
>                      ---  ---
>                       |    |
>                       |    |
>         >-------------+----+
> 
> The LEDs don't care if its AC or DC. Size the capacitor to limit the 
> current to 10mA for a night light, 20 - 60 mA for more "real" light.

> >Speaking of LED's, what would make for a good 110vac LED night light
> >schematic, I could use?



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