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<p style="margin-top:0;margin-bottom:0">Hey<br>

<br>

Why yes, I do!<br>

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<p style="margin-top:0;margin-bottom:0">Andy (Lightsabers)<br>

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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> Hackspace <hackspace-bounces@swansea.hackspace.org.uk> on behalf of Andy Davies <andy@andydavies.info><br>

<b>Sent:</b> 18 August 2018 17:40<br>

<b>To:</b> Swansea Hackspace<br>

<b>Subject:</b> Re: [Swansea Hackspace] bench power supply</font>

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<div>Hi</div>

<div> </div>

<div>Does anyone know about anodising aluminium?</div>

<div> </div>

<div>Cheers</div>

<div> </div>

<div>Andy</div>

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<div style=""><b>From:</b> <a title="ceri.clatworthy@gmail.com" href="mailto:ceri.clatworthy@gmail.com" id="LPlnk674062" class="OWAAutoLink" previewremoved="true">

Ceri Clatworthy</a> </div>

<div><b>Sent:</b> Friday, August 10, 2018 4:15 PM</div>

<div><b>To:</b> <a title="hackspace@swansea.hackspace.org.uk" href="mailto:hackspace@swansea.hackspace.org.uk" id="LPlnk40592" class="OWAAutoLink" previewremoved="true">

Swansea Hackspace</a> </div>

<div><b>Subject:</b> Re: [Swansea Hackspace] bench power supply</div>

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<div style="font-size:small; text-decoration:none; font-family:"Calibri"; font-weight:normal; color:#000000; font-style:normal; display:inline">

<div>I am pritty sure PSU ripple will not be visible. 

<div> </div>

<div>It's going to be in KHz range.</div>

<div>Probably burst not fixed rate </div>

<div> </div>

<div>Anyway </div>

<div>You will still need a few Ohms resistor.</div>

<div>And 500uF will soak that up.</div>

</div>

<div> </div>

<div class="x_gmail_quote">

<div dir="ltr">On Fri, 10 Aug 2018 12:57 Andy Davies, <<a href="mailto:andy@andydavies.info" id="LPlnk586425" class="OWAAutoLink" previewremoved="true">andy@andydavies.info</a>> wrote:<br>

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<blockquote class="x_gmail_quote" style="padding-left:1ex; margin:0px 0px 0px 0.8ex; border-left:#ccc 1px solid">

<div dir="ltr">

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<div style="font-size:12pt; font-family:'Calibri'; color:#000000">

<div>CPC have a bigger range of Tenma units at better prices</div>

<div> </div>

<div><a href="http://cpc.farnell.com/w/c/test-equipment/bench-power-supplies-sources-loads/bench-top-power-supplies/prl/results?output-voltage-max=40v%7C50v%7C56v%7C60v%7C75v%7C80v&sort=P_PRICE" rel="noreferrer" target="_blank" id="LPlnk973988" class="OWAAutoLink" previewremoved="true">http://cpc.farnell.com/w/c/test-equipment/bench-power-supplies-sources-loads/bench-top-power-supplies/prl/results?output-voltage-max=40v|50v|56v|60v|75v|80v&sort=P_PRICE</a></div>

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<div><b>From:</b> <a title="ceri.clatworthy@gmail.com" href="mailto:ceri.clatworthy@gmail.com" rel="noreferrer" target="_blank" id="LPlnk357642" class="OWAAutoLink" previewremoved="true">

Ceri Clatworthy</a> </div>

<div><b>Sent:</b> Friday, August 10, 2018 12:25 PM</div>

<div><b>To:</b> <a title="hackspace@swansea.hackspace.org.uk" href="mailto:hackspace@swansea.hackspace.org.uk" rel="noreferrer" target="_blank" id="LPlnk182127" class="OWAAutoLink" previewremoved="true">

Swansea Hackspace</a> </div>

<div><b>Subject:</b> Re: [Swansea Hackspace] bench power supply</div>

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<div class="x_gmail_default" style="font-family:"comic sans ms",sans-serif">just had a look at the PSU, (would not load on my phone ?!!?!?!)</div>

<div class="x_gmail_default" style="font-family:"comic sans ms",sans-serif"> </div>

<div class="x_gmail_default" style="font-family:"comic sans ms",sans-serif">Looks suitable for you, BUT the current is ONLY adjustable with a screwdriver, !!!!!</div>

<div class="x_gmail_default" style="font-family:"comic sans ms",sans-serif"> </div>

<div class="x_gmail_default" style="font-family:"comic sans ms",sans-serif">I would recomend Farnell / RS / CPC etc not ebay ..</div>

<div class="x_gmail_default" style="font-family:"comic sans ms",sans-serif"> </div>

<div class="x_gmail_default">

<h3 class="x_m_7120984441078923537gmail-itemTitle" style="margin:0px"><font face="Arial, Helvetica, sans-serif" color="#37474f"><span style="font-size:20px; font-weight:400"><a href="http://uk.farnell.com/w/c/test-measurement/bench-power-supplies-sources-loads/bench-top-power-supplies?no-of-outputs=1-output&output-voltage-max=60v&sort=P_PRICE" rel="noreferrer" target="_blank" id="LPlnk306489" class="OWAAutoLink" previewremoved="true">http://uk.farnell.com/w/c/test-measurement/bench-power-supplies-sources-loads/bench-top-power-supplies?no-of-outputs=1-output&output-voltage-max=60v&sort=P_PRICE</a></span></font><br>

</h3>

<div><font face="Arial, Helvetica, sans-serif" color="#37474f"><span style="font-size:20px; font-weight:400"><br>

</span></font></div>

<div><font face="Arial, Helvetica, sans-serif" color="#37474f"><span style="font-size:20px; font-weight:400">

<h1 style="font-size:1.81em; border-top:0px; border-right:0px; width:100%; vertical-align:baseline; background:rgb(255,255,255); border-bottom:0px; zoom:1; font-weight:bold; color:rgb(69,69,69); outline-width:0px; padding-bottom:0px; padding-top:0px; outline-style:none; padding-left:0px; margin:0px; border-left:0px; display:inline; outline-color:invert; padding-right:0px">

72-2695 - </h1>

<span style="font-size:11px; font-family:verdana,arial,helvetica,sans-serif; float:none; color:rgb(51,51,51); display:inline; background-color:rgb(255,255,255)"><span> </span></span>

<h2 style="font-size:1.81em; border-top:0px; border-right:0px; width:100%; vertical-align:baseline; background:rgb(255,255,255); border-bottom:0px; zoom:1; font-weight:bold; color:rgb(69,69,69); outline-width:0px; padding-bottom:0px; padding-top:0px; outline-style:none; padding-left:0px; margin:0px; border-left:0px; display:inline; outline-color:invert; padding-right:0px">

<span style="font-size:19px; border-top:0px; border-right:0px; vertical-align:baseline; background:none transparent scroll repeat 0% 0%; border-bottom:0px; zoom:1; outline-width:0px; padding-bottom:0px; padding-top:0px; outline-style:none; padding-left:0px; margin:0px; border-left:0px; outline-color:invert; padding-right:0px">Bench

 Power Supply, Linear, Adjustable, 1 Output, 0 V, 60 V, 0 A, 2 A</span></h2>

  is Ł77 and from Farnell..<br>

</span></font></div>

<div><font face="Arial, Helvetica, sans-serif" color="#37474f"><span style="font-size:20px; font-weight:400"><br>

</span></font></div>

<div><font face="Arial, Helvetica, sans-serif" color="#37474f"><span style="font-size:20px; font-weight:400">have not checked the specs,</span></font></div>

<div><font face="Arial, Helvetica, sans-serif" color="#37474f"><span style="font-size:20px; font-weight:400"><br>

</span></font></div>

<div><font face="Arial, Helvetica, sans-serif" color="#37474f"><span style="font-size:20px; font-weight:400">but from Farnell, you can get refund / swap if it goes BANG.</span></font></div>

<div><font face="Arial, Helvetica, sans-serif" color="#37474f"><span style="font-size:20px; font-weight:400"><br>

</span></font></div>

<div><font face="Arial, Helvetica, sans-serif" color="#37474f"><span style="font-size:20px">From eBay WHEN it goes BANG you are screwed !!!</span></font></div>

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<div class="x_gmail_quote">On Thu, Aug 9, 2018 at 12:30 AM, Andy Davies <span dir="ltr">

<<a href="mailto:andy@andydavies.info" rel="noreferrer" target="_blank" id="LPlnk875852" class="OWAAutoLink" previewremoved="true">andy@andydavies.info</a>></span> wrote:<br>

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<div>Hi Ceri</div>

<div> </div>

<div>I have three of these types for 6V (for powering a flashgun, 12V (for stepper motors and LEDs)) and 24V (for a stepper motor on a linear rail.</div>

<div> </div>

<div>I’m looking for something that is a complete unit such as <a href="https://www.ebay.co.uk/itm/Adjustable-Linear-DC-Bench-Power-Supply-0-50V-0-3A-Variable-CSI5003XE/222258220290?epid=1542954192&hash=item33bf9f4d02:g:H9sAAOSw5OpZr-V8" rel="noreferrer" target="_blank" id="LPlnk601807" class="OWAAutoLink" previewremoved="true">

https://www.ebay.co.uk/itm/Adjustable-Linear-DC-Bench-Power-Supply-0-50V-0-3A-Variable-CSI5003XE/222258220290?epid=1542954192&hash=item33bf9f4d02:g:H9sAAOSw5OpZr-V8</a></div>

<div> </div>

<div>but it is really important that no flicker shows up on the video at a shutter speed of 50fps.</div>

<div> </div>

<div>Many thanks</div>

<div> </div>

<div>Andy</div>

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<div><b>From:</b> <a title="ceri.clatworthy@gmail.com" href="mailto:ceri.clatworthy@gmail.com" rel="noreferrer" target="_blank" id="LPlnk38350" class="OWAAutoLink" previewremoved="true">

Ceri Clatworthy</a> </div>

<div><b>Sent:</b> Wednesday, August 08, 2018 8:20 PM</div>

<div><b>To:</b> <a title="hackspace@swansea.hackspace.org.uk" href="mailto:hackspace@swansea.hackspace.org.uk" rel="noreferrer" target="_blank" id="LPlnk942785" class="OWAAutoLink" previewremoved="true">

Swansea Hackspace</a> </div>

<div><b>Subject:</b> Re: [Swansea Hackspace] bench power supply</div>

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<div class="x_m_7120984441078923537h5">

<div>Quick Google. ...

<div> </div>

<div><a href="https://www.amazon.co.uk/voltage-converter-switch-power-supply/dp/B0197PNKJG/ref=br_lf_m_basujxxaeroo5oa_img?_encoding=UTF8&s=electronics" rel="noreferrer" target="_blank" id="LPlnk143280" class="OWAAutoLink" previewremoved="true">https://www.amazon.co.uk/voltage-converter-switch-power-supply/dp/B0197PNKJG/ref=br_lf_m_basujxxaeroo5oa_img?_encoding=UTF8&s=electronics</a><br>

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<div class="x_gmail_quote">

<div dir="ltr">On Wed, 8 Aug 2018 20:17 Ceri Clatworthy, <<a href="mailto:ceri.clatworthy@gmail.com" rel="noreferrer" target="_blank" id="LPlnk685746" class="OWAAutoLink" previewremoved="true">ceri.clatworthy@gmail.com</a>> wrote:<br>

</div>

<blockquote class="x_gmail_quote" style="padding-left:1ex; margin:0px 0px 0px 0.8ex; border-left:#ccc 1px solid">

<div>That's a high voltage !!!!!!!

<div> </div>

<div>A simple current source circuit will work the best for LEDs </div>

<div> </div>

<div>One of my first jobs was KRAZY high power LED lighting designer </div>

<div> </div>

<div>If you can get a 40 or so Volt PSU.</div>

<div>then easy circuit. ..</div>

<div>But I do recommend a protection resistor too</div>

</div>

<div> </div>

<div class="x_gmail_quote">

<div dir="ltr">On Fri, 27 Jul 2018 12:45 Andy Davies, <<a href="mailto:andy@andydavies.info" rel="noreferrer noreferrer" target="_blank" id="LPlnk229912" class="OWAAutoLink" previewremoved="true">andy@andydavies.info</a>> wrote:<br>

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<blockquote class="x_gmail_quote" style="padding-left:1ex; margin:0px 0px 0px 0.8ex; border-left:#ccc 1px solid">

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<div style="font-size:12pt; font-family:'Calibri'; color:#000000">

<div>PS It is also important that it does not induce flicker in the light as I will be shooting video with it.</div>

</div>

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