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Date:      Sun, 27 Oct 2002 15:53:21 -0800
From:      Terry Lambert <tlambert2@mindspring.com>
To:        Baldur Gislason <baldur@foo.is>
Cc:        Ronald G Minnich <rminnich@lanl.gov>, freebsd-hackers@freebsd.org
Subject:   Re: Show me the light
Message-ID:  <3DBC7C71.CCD4FE35@mindspring.com>
References:  <Pine.LNX.4.33.0210271547260.30460-100000@xed.acl.lanl.gov> <20021027230049.3BD9DAB93@tesla.foo.is>

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Baldur Gislason wrote:
> I have powered leds from the parallel port, there's about 10mA of current
> available on each data pin without destroying anything. so I wired 8 leds,
> each with a 330 ohm series resistor, no external power supply.

Use 470 ohm; your chip will last longer with all bits lit.  8-).

-- Terry

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