<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Great, thanks.<div><br></div><div>This is exactly what I need.</div><div><br></div><div>Thanks.</div><div><br></div><div>Phil</div><div><br></div><div><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Phil Spitler | &nbsp; Associate Creative Director &nbsp;| &nbsp;Bonfire &nbsp;Labs &nbsp;| &nbsp;t : 415.394.8200 &nbsp;| &nbsp;c : 415.571.3139 &nbsp;| &nbsp;<a href="http://Bonfirelabs.com">Bonfirelabs.com</a></div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br></div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">"Get Social" -&nbsp;<a href="http://www.facebook.com/bonfirelabs">http://www.facebook.com/bonfirelabs</a></div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br></div><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br></div></span></div></span></span><br class="Apple-interchange-newline">
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<br><div><div>On May 21, 2012, at 5:22 AM, Nicholas Granado wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">hi phil,<div><br></div><div>that link states that the forward voltage is rated @ 3.4 volts with a 20ma draw; however they can be powered at 3.0 volts with approx. 10ma draw.<br clear="all"><br>nick<br><br>
<br><br><div class="gmail_quote">On Sun, May 20, 2012 at 10:16 PM, Phil Spitler <span dir="ltr">&lt;<a href="mailto:phil@bonfirelabs.com" target="_blank">phil@bonfirelabs.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">

<div style="word-wrap:break-word">Hi,<div>For simple LED projects, I usually use an online LED calculator to get the values for the needed resistors.</div><div><br></div><div>I have just ordered some LEDs online but the specifications don't list the forward voltage, just the current draw.</div>

<div><br></div><div><a href="http://www.adafruit.com/products/679" target="_blank">http://www.adafruit.com/products/679</a></div><div><br></div><div>How would I figure out how to power the LEDs and what resistors to use?</div>

<div><br></div><div>I am thinking of using 10 LEDs and having them all powered, all the time.</div><div><br></div><div>I would love to know how to calculate my needs.</div><div><br></div><div>Any ideas?</div><div><br></div>

<div>Cheers.</div><div><br></div><div>Phil</div><span class="HOEnZb"><font color="#888888"><div><br></div><div><br></div><div><br><div>
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<div><div style="margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;font:normal normal normal 12px/normal Helvetica;color:rgb(93,16,18)">Phil Spitler | &nbsp; Associate Creative Director&nbsp;&nbsp;|&nbsp;&nbsp;Bonfire Labs |&nbsp;&nbsp;t : <a href="tel:415.394.8200" value="+14153948200" target="_blank">415.394.8200</a>&nbsp;&nbsp;|&nbsp;&nbsp;c : <a href="tel:415.571.3139" value="+14155713139" target="_blank">415.571.3139</a>&nbsp;&nbsp;|&nbsp;&nbsp;<span style="text-decoration:underline;color:rgb(0,25,241)"><a href="http://www.bonfirelabs.com/" target="_blank">Bonfirelabs.com</a></span></div>

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