What's wrong with the sign and arduino?<br><br> -Will W<br><br><div class="gmail_quote">On Fri, Dec 14, 2012 at 3:46 PM, Will <span dir="ltr"><<a href="mailto:staticphantom@gmail.com" target="_blank">staticphantom@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">Could but highly doubtful. Tron was able to get the board working discretely which would not have fixed the problem. What we need is a buffer or comparator. I will bring one down to the space at noon. </p>

<p dir="ltr">-Will C </p>
<div class="gmail_quote"><div class="im">On Dec 14, 2012 8:57 AM, "Josiah Ritchie" <<a href="mailto:josiah@josiahritchie.com" target="_blank">josiah@josiahritchie.com</a>> wrote:<br type="attribution"></div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im">
<p dir="ltr">I thought of something that may have been causing the problems we were seeing on the sign last night. The Arduino and the sign were on entirely different power sources. The Arduino was powered by my laptop and the sign from the wall wart. Couldn't the two different grounds cause this? </p>



<p dir="ltr">JSR/</p>
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