<div dir="ltr">Paul,<div><br></div><div>If memory serves there is a TriEmbed member with one of the low current characterization devices. Maybe the CurrentRanger? But I cannot recall who that might be.</div><div><a href="https://lowpowerlab.com/shop/product/152">https://lowpowerlab.com/shop/product/152</a><br></div><div><br></div><div>And here is a roll your own option using an ATTiny85. The Technoblogy is great as well.</div><div><a href="http://www.technoblogy.com/show?2S67">http://www.technoblogy.com/show?2S67</a><br></div><div><br></div><div>Another DIY option.</div><div><a href="https://www.lab4iot.com/2020/07/24/a-low-cost-current-measuring-technique-for-iot-devices-diy/">https://www.lab4iot.com/2020/07/24/a-low-cost-current-measuring-technique-for-iot-devices-diy/</a><br></div><div><br></div><div>Best,</div><div>Shane</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Aug 25, 2021 at 4:56 PM The MacDougals via TriEmbed <<a href="mailto:triembed@triembed.org">triembed@triembed.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div lang="EN-US" style="overflow-wrap: break-word;"><div class="gmail-m_-3952793541654239782WordSection1"><p class="MsoNormal"><span style="font-size:14pt">I want to measure DC current of ESP8266 while in deep sleep.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14pt">Should be around 19uA.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:14pt">I recall Dave Jones had a device that turned a volt meter into an amp meter.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14pt"><a href="https://www.eevblog.com/product/ucurrentgold/" target="_blank">https://www.eevblog.com/product/ucurrentgold/</a><u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:14pt">I found this clone:<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14pt"><a href="https://github.com/nfhw/tinycurrent" target="_blank">https://github.com/nfhw/tinycurrent</a><u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:14pt">Looks like it is available assembled from Germany for 60.50 €<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14pt"><a href="https://www.n-fuse.co/devices/tinyCurrent-precision-low-Current-Measurement-Shunt-and-Amplifier-Device.html" target="_blank">https://www.n-fuse.co/devices/tinyCurrent-precision-low-Current-Measurement-Shunt-and-Amplifier-Device.html</a><u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:14pt">Anyone already have one of these?  Anyone else interested in getting or building one?<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14pt">Other options/ideas?<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:14pt">---> Paul<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:14pt"><u></u> <u></u></span></p></div></div>_______________________________________________<br>
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