[TriEmbed] reply to Rodney about LED

Grawburg grawburg at myglnc.com
Mon Apr 21 11:33:46 CDT 2014


So the upshot is - be consistent in your projects.


Brian
-----Original Message-----
From: "Rodney Radford" <ncgadgetry at gmail.com>
To: "Grawburg" <grawburg at myglnc.com>
Date: 04/21/14 12:31 PM
Subject: Re: [TriEmbed] (no subject)


The LED doesn't care whether the resistor in on GND or RPi side - just make sure LED us oriented correctly.On Apr 21, 2014 11:59 AM, "Grawburg" <grawburg at myglnc.com> wrote:
Looking at various projects for the Raspberry Pi I see LEDs wired with the resistor between the GPIO and the LED anode and the cathode to ground, and I see it wired with the resistor between the cathode and ground.  The first seems better (based upon what I'm learning from all of you), so I wonder when is it better to connect the LED in the second manner, i.e. ground--resistor--cathode?

Thanks,
Brian Grawburg

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