<div dir="ltr">Thanks Alan!<div><br></div><div>Alec</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Jul 4, 2016 at 11:47 PM, Alan James via Personal_Submersibles <span dir="ltr"><<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"><div><span>For people with 36V systems, there are a number of high power leds</span></div><div dir="ltr"><span>operating off 32V, & up to 100W. This is a 50W version (note this one is a warm white).</span></div><div dir="ltr"><span>Typically the buck drivers need a minimum of 2V difference between input & output, although</span></div><div dir="ltr"><span>I can't see it in the instructions of the driver below. This set up will cope with the fully charged to</span></div><div dir="ltr"><span>low battery voltage variations & the 2V variation required for the driver.</span></div><div dir="ltr"><span><a href="http://www.dx.com/p/50w-2850-3050k-4000-4500-lumen-50-led-warm-white-light-plate-dc-32v-133098#.V3snqrh96Uk" target="_blank">50W 4000LM 2850~3050K Warm White Light 50-LED Plate Module (DC 32V)</a></span></div><div><br></div><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;max-width:400px" dir="ltr"> <a style="color:rgb(0,0,0)!important;text-decoration:none!important" href="http://www.dx.com/p/50w-2850-3050k-4000-4500-lumen-50-led-warm-white-light-plate-dc-32v-133098#.V3snqrh96Uk" rel="noreferrer" target="_blank"> <table style="max-width:400px" border="0" cellspacing="0" cellpadding="0"> <tbody><tr> <td width="400"> <table width="100%" style="max-width:400px" border="0" cellspacing="0" cellpadding="0"> <tbody><tr> <td background="https://s.yimg.com/vv//api/res/1.2/OXiMdkjfvov_qQ7LqjRzVA--/YXBwaWQ9bWFpbDtmaT1maWxsO2g9MjAwO3c9NDAw/http://img.dxcdn.com/productimages/sku_133098_1.jpg.cf.jpg" valign="top" style="background:url("https://ci5.googleusercontent.com/proxy/Bhfwsmvpwsmdvi-b-uQDMcTAJ4_TsFXxfj9S7SuH2SsS77v_PKJuYPG90nZUyHHq4-pOSsmYdwz815S-V1chSHipaZo52X_OqSzt4Ww6y6DDMd8XALh-ElZ8p2P7nf6W-rVo9jRs-u0pvWDbJeaEitMcS2URjZ-2bINGJeGva8FqMZFohb02Klr3Hea6rn82C3AD9lu1kMkSQzV4GniKYZL3JRreFRszjNXjuhK5JoauKU3RID8=s0-d-e1-ft#https://s.yimg.com/vv//api/res/1.2/OXiMdkjfvov_qQ7LqjRzVA--/YXBwaWQ9bWFpbDtmaT1maWxsO2g9MjAwO3c9NDAw/http://img.dxcdn.com/productimages/sku_133098_1.jpg.cf.jpg") no-repeat center/cover rgb(0,0,0);height:200px" bgcolor="#000000">  <table style="width:100%" border="0" cellspacing="0" cellpadding="0" valign="top"> <tbody><tr> <td background="https://s.yimg.com/nq/storm/assets/enhancrV2/12/overlay-tile.png" valign="top" style="background:url("https://ci6.googleusercontent.com/proxy/Or0PpNz8Q2N-T77lb2rdWKcTmD4Aucmk2Ee_LS8DyP6g6BDF3rwx4OyZl6lsUYsZqw8AQBiEM0n0IXQQ0XX4vUAoRYgzG6vu_JFg3P_OaiyHSXs0y-U=s0-d-e1-ft#https://s.yimg.com/nq/storm/assets/enhancrV2/12/overlay-tile.png") left top;height:200px" bgcolor="transparent">  <table height="185" style="width:100%;height:185px;min-height:185px"> <tbody><tr> <td style="padding:15px 0px 0px 15px;text-align:left;vertical-align:top"> <span style="color:rgb(255,255,255);font-size:18px;font-weight:bold"> $ 4.98 </span>  </td> <td style="padding:15px 15px 0px 0px;text-align:right;vertical-align:top"> <div></div> </td> </tr> </tbody></table>  </td> </tr> </tbody></table> </td> </tr> <tr> <td> <table align="center" style="background:rgb(255,255,255);border-width:1px 1px 3px;border-style:solid;border-color:rgb(224,228,233) rgb(224,228,233) rgb(0,0,0);width:95%;margin-right:auto;margin-left:auto;max-width:380px" border="0" cellspacing="0" cellpadding="0"> <tbody><tr> <td style="padding:16px 0px 16px 12px;vertical-align:top;background-color:rgb(255,255,255)">  </td> <td style="padding:16px 12px;width:99%;vertical-align:middle"> <h2 style="margin:0px 0px 4px;line-height:19px;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:16px">50W 4000LM 2850~3050K Warm White Light 50-LED Plate Module (DC 32V)</h2><span class="">  <div style="color:rgb(153,153,153);line-height:15px;font-size:11px">I like this from DX. Find the cool gadgets at a incredibly low price with worldwide free shipping here.</div> </span></td> <td style="padding:16px 12px 16px 0px;text-align:right">  </td> </tr> </tbody></table> </td> </tr> </tbody></table> </td> </tr> </tbody></table> </a></div><div><br></div><div>You can then use it with this module or similar. (note this is a maximum of 75W)</div><span class=""><div dir="ltr"><a href="http://www.dx.com/p/5a-constant-current-led-driver-module-battery-charger-red-433947#.V3sqx7h96Uk" target="_blank">Constant Voltage Constant Current DC-DC Power Module for Arduino</a></div><div><br></div><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;max-width:400px" dir="ltr"> <a style="color:rgb(0,0,0)!important;text-decoration:none!important" href="http://www.dx.com/p/5a-constant-current-led-driver-module-battery-charger-red-433947#.V3sqx7h96Uk" rel="noreferrer" target="_blank"> <table style="max-width:400px" border="0" cellspacing="0" cellpadding="0"> <tbody><tr> <td width="400"> <table width="100%" style="max-width:400px" border="0" cellspacing="0" cellpadding="0"> <tbody><tr> <td background="https://s.yimg.com/vv//api/res/1.2/3Gy3q6fb5RPODVCmFJEp0w--/YXBwaWQ9bWFpbDtmaT1maWxsO2g9MjAwO3c9NDAw/http://img.dxcdn.com/productimages/sku_433947_1.jpg.cf.jpg" valign="top" style="background:url("https://ci4.googleusercontent.com/proxy/vp3MB4PyucrbkudRQgMFwak4Cva9UgtQx7VyWhqv3B26pkOXMsoHeYeBNnZh7jjenj6oYTEAJAi8ASwFKEqfhiXqsQ1jC3quKZTh3V__-GwZNxCq93uLeGc_J3Uo4Ud2KriOZ0xRIozHW4AdehGWGXNH33nRErDW2k3shrNbC-2iPMckSZgtmYR4SqlmH-aipoODGrcXDggClsFkb4n050iAP61zbzIWzF0stl1Na-Quq4Kgxxw=s0-d-e1-ft#https://s.yimg.com/vv//api/res/1.2/3Gy3q6fb5RPODVCmFJEp0w--/YXBwaWQ9bWFpbDtmaT1maWxsO2g9MjAwO3c9NDAw/http://img.dxcdn.com/productimages/sku_433947_1.jpg.cf.jpg") no-repeat center/cover rgb(0,0,0);height:200px" bgcolor="#000000">  <table style="width:100%" border="0" cellspacing="0" cellpadding="0" valign="top"> <tbody><tr> <td background="https://s.yimg.com/nq/storm/assets/enhancrV2/12/overlay-tile.png" valign="top" style="background:url("https://ci6.googleusercontent.com/proxy/Or0PpNz8Q2N-T77lb2rdWKcTmD4Aucmk2Ee_LS8DyP6g6BDF3rwx4OyZl6lsUYsZqw8AQBiEM0n0IXQQ0XX4vUAoRYgzG6vu_JFg3P_OaiyHSXs0y-U=s0-d-e1-ft#https://s.yimg.com/nq/storm/assets/enhancrV2/12/overlay-tile.png") left top;height:200px" bgcolor="transparent">  <table height="185" style="width:100%;height:185px;min-height:185px"> <tbody><tr> <td style="padding:15px 0px 0px 15px;text-align:left;vertical-align:top"> <span style="color:rgb(255,255,255);font-size:18px;font-weight:bold"> $ 4.64 </span>  </td> <td style="padding:15px 15px 0px 0px;text-align:right;vertical-align:top"> <div></div> </td> </tr> </tbody></table>  </td> </tr> </tbody></table> </td> </tr> <tr> <td> <table align="center" style="background:rgb(255,255,255);border-width:1px 1px 3px;border-style:solid;border-color:rgb(224,228,233) rgb(224,228,233) rgb(0,0,0);width:95%;margin-right:auto;margin-left:auto;max-width:380px" border="0" cellspacing="0" cellpadding="0"> <tbody><tr> <td style="padding:16px 0px 16px 12px;vertical-align:top;background-color:rgb(255,255,255)">  </td> <td style="padding:16px 12px;width:99%;vertical-align:middle"> <h2 style="margin:0px 0px 4px;line-height:19px;font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:16px">Constant Voltage Constant Current DC-DC Power Module for Arduino</h2>  <div style="color:rgb(153,153,153);line-height:15px;font-size:11px">I like this from DX. Find the cool gadgets at a incredibly low price with worldwide free shipping here.</div> </td> <td style="padding:16px 12px 16px 0px;text-align:right">  </td> </tr> </tbody></table> </td> </tr> </tbody></table> </td> </tr> </tbody></table> </a></div><div><br></div></span><span class=""><div>Alan<br><br></div><div style="display:block">  <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div style="font-family:HelveticaNeue,Helvetica Neue,Helvetica,Arial,Lucida Grande,sans-serif;font-size:16px"> <div dir="ltr"> <font face="Arial" size="2"> <hr size="1"> <b><span style="font-weight:bold">From:</span></b> via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>><br> <b><span style="font-weight:bold">To:</span></b> via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> <br> <b><span style="font-weight:bold">Sent:</span></b> Tuesday, July 5, 2016 6:57 AM<br> <b><span style="font-weight:bold">Subject:</span></b> Re: [PSUBS-MAILIST] =?utf-8?q?PSUBS_light_project_status?=<br> </font> </div> <div><br><div>


 

<div dir="ltr">
<div style="font-family:"Calibri","Segoe UI","Meiryo","Microsoft YaHei UI","Microsoft JhengHei UI","Malgun Gothic","sans-serif";font-size:12pt" dir="ltr"><div>Well duh … this conversation got me thinking. Harold still runs 36v motors. Which means I have two banks of 36v onboard. Don't need a driver.  LOL. Sometimes the obvious are the most difficult to see …. Just tried direct wiring and the lumens are blinding.</div><div><br></div><div>Brian</div><div><br></div><div><br></div><div><div><br></div><div>Sent from Microsoft Surface</div><div><br></div></div></div>
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