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Re: [RiminiLUG-General] lasagne oops! lavagne interattive (WiiLD & Co.)
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- Subject: Re: [RiminiLUG-General] lasagne oops! lavagne interattive (WiiLD & Co.)
- From: Davide Bellettini <davide@xxxxxxxxxxxxxxx>
- Date: Fri, 26 Nov 2010 21:07:40 +0100
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Il 26 novembre 2010 15:48, Giovanni Pasini <gpasini@xxxxxxxxxxx> ha scritto:
> l'ho usato così poco! non so ma direi che funzionasse bene! Come pila,
> date le dimensioni ho usato una ministilo AAA da 1.5 V (è giusto, boh?)
dipende dalla Vgamma e dalla resistenza interna del diodo, di solito
si aggira intorno a 1.2 volt.
Per un led rosso bastano 15 mA per farlo accendere... per quelli ad
infrarossi non saprei!
dando un occhio alle tabelle dei valori di resistenza...
300 millivolt / 18 ohm fa circa 17 mA
--
Davide Bellettini
davide@xxxxxxxxxxxxxxx
www.davidebellettini.com