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I have a Joulescope (<a href="https://www.joulescope.com">https://www.joulescope.com</a>) which you’re welcome to borrow!</div>

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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>From:</b> TriEmbed <triembed-bounces@triembed.org> on behalf of Shane Trent via TriEmbed <triembed@triembed.org><br>

<b>Sent:</b> Wednesday, August 25, 2021 5:45:48 PM<br>

<b>To:</b> Paul MacDougal <paulmacd@acm.org><br>

<b>Cc:</b> TriEmbed Discussion <triembed@triembed.org><br>

<b>Subject:</b> Re: [TriEmbed] Measure uA</font>

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<div dir="ltr">Paul,

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<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>

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<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>

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<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>

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<div>Best,</div>

<div>Shane</div>

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<div dir="ltr" class="x_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>

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<p class="x_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="x_MsoNormal"><span style="font-size:14pt">Should be around 19uA.<u></u><u></u></span></p>

<p class="x_MsoNormal"><span style="font-size:14pt"><u></u> <u></u></span></p>

<p class="x_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="x_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="x_MsoNormal"><span style="font-size:14pt"><u></u> <u></u></span></p>

<p class="x_MsoNormal"><span style="font-size:14pt">I found this clone:<u></u><u></u></span></p>

<p class="x_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="x_MsoNormal"><span style="font-size:14pt"><u></u> <u></u></span></p>

<p class="x_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="x_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="x_MsoNormal"><span style="font-size:14pt"><u></u> <u></u></span></p>

<p class="x_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="x_MsoNormal"><span style="font-size:14pt">Other options/ideas?<u></u><u></u></span></p>

<p class="x_MsoNormal"><span style="font-size:14pt"><u></u> <u></u></span></p>

<p class="x_MsoNormal"><span style="font-size:14pt">---> Paul<u></u><u></u></span></p>

<p class="x_MsoNormal"><span style="font-size:14pt"><u></u> <u></u></span></p>

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