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<body dir="ltr" style="text-align:left; direction:ltr;"><div>On Thu, 2018-10-25 at 16:00 +0100, Andy Davies wrote:</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex">
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<div>Hi </div>
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<div>What other components would I need to have if I had this <a href="https://www.amazon.co.uk/voltage-converter-switch-power-supply/dp/B0197PNKJG/ref=br_lf_m_basujxxaeroo5oa_img?_encoding=UTF8&s=electronics">https://www.amazon.co.uk/voltage-converter-switch-power-supply/dp/B0197PNKJG/ref=br_lf_m_basujxxaeroo5oa_img?_encoding=UTF8&s=electronics</a>
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<div>1. a digital readout of voltage and current</div>
<div>2. fixed current output</div>
<div>3. variable volts and amps</div>
<div> </div></div></div></blockquote><div><br></div><div><br></div><div>The DPS5020 and its friends are popular front ends for making your own variable power supplies.</div><div><a href="https://www.aliexpress.com/item/RD-DPS5020-Constant-Voltage-current-Step-down-communication-digital-Power-Supply-buck-Voltage-converter-LCD-voltmeter/32821185351.html?spm=2114.search0104.3.3.7db04376xNTolX&ws_ab_test=searchweb0_0,searchweb201602_5_10065_10068_10130_318_10547_319_10548_317_10696_450_10192_10190_10084_10083_10618_452_535_534_10307_533_5025915_10820_532_10301_10821_10303_204_10059_10884_323_10887_100031_5728715_320_321_322_10103_448_449,searchweb201603_1,ppcSwitch_0&algo_expid=e089da89-9acf-4691-99b3-a42b50550c11-0&algo_pvid=e089da89-9acf-4691-99b3-a42b50550c11">https://www.aliexpress.com/item//32821185351.html</a></div><div><br></div><div>the item listings has a chart with all the variants listed</div></body></html>